16961620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 38843280

約数和(自身を除く): 21881660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 733, 890, 1157, 1466, 1780, 2314, 2932, 3665, 4628, 5785, 7330, 9529, 11570, 14660, 19058, 23140, 38116, 47645, 65237, 95290, 130474, 190580, 260948, 326185, 652370, 848081, 1304740, 1696162, 3392324, 4240405, 8480810, 16961620]

約数ペア:

[(1, 16961620), (2, 8480810), (4, 4240405), (5, 3392324), (10, 1696162), (13, 1304740), (20, 848081), (26, 652370), (52, 326185), (65, 260948), (89, 190580), (130, 130474), (178, 95290), (260, 65237), (356, 47645), (445, 38116), (733, 23140), (890, 19058), (1157, 14660), (1466, 11570), (1780, 9529), (2314, 7330), (2932, 5785), (3665, 4628)]