20456514360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{203669}}^1$

素因数の和:203723

約数の個数: 160

約数和(自身を含む): 70974921600

約数和(自身を除く): 50518407240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 1080, 1116, 1240, 1395, 1620, 1674, 1860, 2232, 2511, 2790, 3240, 3348, 3720, 4185, 5022, 5580, 6696, 8370, 10044, 11160, 12555, 16740, 20088, 25110, 33480, 50220, 100440, 203669, 407338, 611007, 814676, 1018345, 1222014, 1629352, 1833021, 2036690, 2444028, 3055035, 3666042, 4073380, 4888056, 5499063, 6110070, 6313739, 7332084, 8146760, 9165105, 10998126, 12220140, 12627478, 14664168, 16497189, 18330210, 18941217, 21996252, 24440280, 25254956, 27495315, 31568695, 32994378, 36660420, 37882434, 43992504, 50509912, 54990630, 56823651, 63137390, 65988756, 73320840, 75764868, 82485945, 94706085, 109981260, 113647302, 126274780, 131977512, 151529736, 164971890, 170470953, 189412170, 219962520, 227294604, 252549560, 284118255, 329943780, 340941906, 378824340, 454589208, 511412859, 568236510, 659887560, 681883812, 757648680, 852354765, 1022825718, 1136473020, 1363767624, 1704709530, 2045651436, 2272946040, 2557064295, 3409419060, 4091302872, 5114128590, 6818838120, 10228257180, 20456514360]

約数ペア:

[(1, 20456514360), (2, 10228257180), (3, 6818838120), (4, 5114128590), (5, 4091302872), (6, 3409419060), (8, 2557064295), (9, 2272946040), (10, 2045651436), (12, 1704709530), (15, 1363767624), (18, 1136473020), (20, 1022825718), (24, 852354765), (27, 757648680), (30, 681883812), (31, 659887560), (36, 568236510), (40, 511412859), (45, 454589208), (54, 378824340), (60, 340941906), (62, 329943780), (72, 284118255), (81, 252549560), (90, 227294604), (93, 219962520), (108, 189412170), (120, 170470953), (124, 164971890), (135, 151529736), (155, 131977512), (162, 126274780), (180, 113647302), (186, 109981260), (216, 94706085), (248, 82485945), (270, 75764868), (279, 73320840), (310, 65988756), (324, 63137390), (360, 56823651), (372, 54990630), (405, 50509912), (465, 43992504), (540, 37882434), (558, 36660420), (620, 32994378), (648, 31568695), (744, 27495315), (810, 25254956), (837, 24440280), (930, 21996252), (1080, 18941217), (1116, 18330210), (1240, 16497189), (1395, 14664168), (1620, 12627478), (1674, 12220140), (1860, 10998126), (2232, 9165105), (2511, 8146760), (2790, 7332084), (3240, 6313739), (3348, 6110070), (3720, 5499063), (4185, 4888056), (5022, 4073380), (5580, 3666042), (6696, 3055035), (8370, 2444028), (10044, 2036690), (11160, 1833021), (12555, 1629352), (16740, 1222014), (20088, 1018345), (25110, 814676), (33480, 611007), (50220, 407338), (100440, 203669)]