20913360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6703}}^1$

素因数の和:6732

約数の個数: 80

約数和(自身を含む): 69828864

約数和(自身を除く): 48915504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6703, 13406, 20109, 26812, 33515, 40218, 53624, 67030, 80436, 87139, 100545, 107248, 134060, 160872, 174278, 201090, 261417, 268120, 321744, 348556, 402180, 435695, 522834, 536240, 697112, 804360, 871390, 1045668, 1307085, 1394224, 1608720, 1742780, 2091336, 2614170, 3485560, 4182672, 5228340, 6971120, 10456680, 20913360]

約数ペア:

[(1, 20913360), (2, 10456680), (3, 6971120), (4, 5228340), (5, 4182672), (6, 3485560), (8, 2614170), (10, 2091336), (12, 1742780), (13, 1608720), (15, 1394224), (16, 1307085), (20, 1045668), (24, 871390), (26, 804360), (30, 697112), (39, 536240), (40, 522834), (48, 435695), (52, 402180), (60, 348556), (65, 321744), (78, 268120), (80, 261417), (104, 201090), (120, 174278), (130, 160872), (156, 134060), (195, 107248), (208, 100545), (240, 87139), (260, 80436), (312, 67030), (390, 53624), (520, 40218), (624, 33515), (780, 26812), (1040, 20109), (1560, 13406), (3120, 6703)]