20799450

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 68567040

約数和(自身を除く): 47767590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 31, 35, 42, 45, 50, 54, 62, 63, 70, 71, 75, 90, 93, 105, 126, 135, 142, 150, 155, 175, 186, 189, 210, 213, 217, 225, 270, 279, 310, 315, 350, 355, 378, 426, 434, 450, 465, 497, 525, 558, 630, 639, 651, 675, 710, 775, 837, 930, 945, 994, 1050, 1065, 1085, 1278, 1302, 1350, 1395, 1491, 1550, 1575, 1674, 1775, 1890, 1917, 1953, 2130, 2170, 2201, 2325, 2485, 2790, 2982, 3150, 3195, 3255, 3550, 3834, 3906, 4185, 4402, 4473, 4650, 4725, 4970, 5325, 5425, 5859, 6390, 6510, 6603, 6975, 7455, 8370, 8946, 9450, 9585, 9765, 10650, 10850, 11005, 11718, 12425, 13206, 13419, 13950, 14910, 15407, 15975, 16275, 19170, 19530, 19809, 20925, 22010, 22365, 24850, 26838, 29295, 30814, 31950, 32550, 33015, 37275, 39618, 41850, 44730, 46221, 47925, 48825, 55025, 58590, 59427, 66030, 67095, 74550, 77035, 92442, 95850, 97650, 99045, 110050, 111825, 118854, 134190, 138663, 146475, 154070, 165075, 198090, 223650, 231105, 277326, 292950, 297135, 330150, 335475, 385175, 415989, 462210, 495225, 594270, 670950, 693315, 770350, 831978, 990450, 1155525, 1386630, 1485675, 2079945, 2311050, 2971350, 3466575, 4159890, 6933150, 10399725, 20799450]

約数ペア:

[(1, 20799450), (2, 10399725), (3, 6933150), (5, 4159890), (6, 3466575), (7, 2971350), (9, 2311050), (10, 2079945), (14, 1485675), (15, 1386630), (18, 1155525), (21, 990450), (25, 831978), (27, 770350), (30, 693315), (31, 670950), (35, 594270), (42, 495225), (45, 462210), (50, 415989), (54, 385175), (62, 335475), (63, 330150), (70, 297135), (71, 292950), (75, 277326), (90, 231105), (93, 223650), (105, 198090), (126, 165075), (135, 154070), (142, 146475), (150, 138663), (155, 134190), (175, 118854), (186, 111825), (189, 110050), (210, 99045), (213, 97650), (217, 95850), (225, 92442), (270, 77035), (279, 74550), (310, 67095), (315, 66030), (350, 59427), (355, 58590), (378, 55025), (426, 48825), (434, 47925), (450, 46221), (465, 44730), (497, 41850), (525, 39618), (558, 37275), (630, 33015), (639, 32550), (651, 31950), (675, 30814), (710, 29295), (775, 26838), (837, 24850), (930, 22365), (945, 22010), (994, 20925), (1050, 19809), (1065, 19530), (1085, 19170), (1278, 16275), (1302, 15975), (1350, 15407), (1395, 14910), (1491, 13950), (1550, 13419), (1575, 13206), (1674, 12425), (1775, 11718), (1890, 11005), (1917, 10850), (1953, 10650), (2130, 9765), (2170, 9585), (2201, 9450), (2325, 8946), (2485, 8370), (2790, 7455), (2982, 6975), (3150, 6603), (3195, 6510), (3255, 6390), (3550, 5859), (3834, 5425), (3906, 5325), (4185, 4970), (4402, 4725), (4473, 4650)]