20341620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8693}}^1$

素因数の和:8721

約数の個数: 72

約数和(自身を含む): 66456936

約数和(自身を除く): 46115316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8693, 17386, 26079, 34772, 43465, 52158, 78237, 86930, 104316, 113009, 130395, 156474, 173860, 226018, 260790, 312948, 339027, 391185, 452036, 521580, 565045, 678054, 782370, 1017081, 1130090, 1356108, 1564740, 1695135, 2034162, 2260180, 3390270, 4068324, 5085405, 6780540, 10170810, 20341620]

約数ペア:

[(1, 20341620), (2, 10170810), (3, 6780540), (4, 5085405), (5, 4068324), (6, 3390270), (9, 2260180), (10, 2034162), (12, 1695135), (13, 1564740), (15, 1356108), (18, 1130090), (20, 1017081), (26, 782370), (30, 678054), (36, 565045), (39, 521580), (45, 452036), (52, 391185), (60, 339027), (65, 312948), (78, 260790), (90, 226018), (117, 173860), (130, 156474), (156, 130395), (180, 113009), (195, 104316), (234, 86930), (260, 78237), (390, 52158), (468, 43465), (585, 34772), (780, 26079), (1170, 17386), (2340, 8693)]