20811701820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{122957}}^1$

素因数の和:123020

約数の個数: 192

約数和(自身を含む): 74034487296

約数和(自身を除く): 53222785476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1612, 1820, 1860, 2015, 2170, 2418, 2604, 2730, 2821, 3255, 4030, 4340, 4836, 5460, 5642, 6045, 6510, 8060, 8463, 11284, 12090, 13020, 14105, 16926, 24180, 28210, 33852, 42315, 56420, 84630, 122957, 169260, 245914, 368871, 491828, 614785, 737742, 860699, 1229570, 1475484, 1598441, 1721398, 1844355, 2459140, 2582097, 3196882, 3442796, 3688710, 3811667, 4303495, 4795323, 5164194, 6393764, 7377420, 7623334, 7992205, 8606990, 9590646, 10328388, 11189087, 11435001, 12910485, 15246668, 15984410, 17213980, 19058335, 19181292, 22378174, 22870002, 23976615, 25820970, 26681669, 31968820, 33567261, 38116670, 44756348, 45740004, 47953230, 49551671, 51641940, 53363338, 55945435, 57175005, 67134522, 76233340, 80045007, 95906460, 99103342, 106726676, 111890870, 114350010, 133408345, 134269044, 148655013, 160090014, 167836305, 198206684, 223781740, 228700020, 247758355, 266816690, 297310026, 320180028, 335672610, 346861697, 400225035, 495516710, 533633380, 594620052, 671345220, 693723394, 743275065, 800450070, 991033420, 1040585091, 1387446788, 1486550130, 1600900140, 1734308485, 2081170182, 2973100260, 3468616970, 4162340364, 5202925455, 6937233940, 10405850910, 20811701820]

約数ペア:

[(1, 20811701820), (2, 10405850910), (3, 6937233940), (4, 5202925455), (5, 4162340364), (6, 3468616970), (7, 2973100260), (10, 2081170182), (12, 1734308485), (13, 1600900140), (14, 1486550130), (15, 1387446788), (20, 1040585091), (21, 991033420), (26, 800450070), (28, 743275065), (30, 693723394), (31, 671345220), (35, 594620052), (39, 533633380), (42, 495516710), (52, 400225035), (60, 346861697), (62, 335672610), (65, 320180028), (70, 297310026), (78, 266816690), (84, 247758355), (91, 228700020), (93, 223781740), (105, 198206684), (124, 167836305), (130, 160090014), (140, 148655013), (155, 134269044), (156, 133408345), (182, 114350010), (186, 111890870), (195, 106726676), (210, 99103342), (217, 95906460), (260, 80045007), (273, 76233340), (310, 67134522), (364, 57175005), (372, 55945435), (390, 53363338), (403, 51641940), (420, 49551671), (434, 47953230), (455, 45740004), (465, 44756348), (546, 38116670), (620, 33567261), (651, 31968820), (780, 26681669), (806, 25820970), (868, 23976615), (910, 22870002), (930, 22378174), (1085, 19181292), (1092, 19058335), (1209, 17213980), (1302, 15984410), (1365, 15246668), (1612, 12910485), (1820, 11435001), (1860, 11189087), (2015, 10328388), (2170, 9590646), (2418, 8606990), (2604, 7992205), (2730, 7623334), (2821, 7377420), (3255, 6393764), (4030, 5164194), (4340, 4795323), (4836, 4303495), (5460, 3811667), (5642, 3688710), (6045, 3442796), (6510, 3196882), (8060, 2582097), (8463, 2459140), (11284, 1844355), (12090, 1721398), (13020, 1598441), (14105, 1475484), (16926, 1229570), (24180, 860699), (28210, 737742), (33852, 614785), (42315, 491828), (56420, 368871), (84630, 245914), (122957, 169260)]