20923430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 23493082

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 67, 85, 110, 134, 167, 170, 187, 334, 335, 374, 670, 737, 835, 935, 1139, 1474, 1670, 1837, 1870, 2278, 2839, 3674, 3685, 5678, 5695, 7370, 9185, 11189, 11390, 12529, 14195, 18370, 22378, 25058, 28390, 31229, 55945, 62458, 62645, 111890, 123079, 125290, 156145, 190213, 246158, 312290, 380426, 615395, 951065, 1230790, 1902130, 2092343, 4184686, 10461715, 20923430]

約数ペア:

[(1, 20923430), (2, 10461715), (5, 4184686), (10, 2092343), (11, 1902130), (17, 1230790), (22, 951065), (34, 615395), (55, 380426), (67, 312290), (85, 246158), (110, 190213), (134, 156145), (167, 125290), (170, 123079), (187, 111890), (334, 62645), (335, 62458), (374, 55945), (670, 31229), (737, 28390), (835, 25058), (935, 22378), (1139, 18370), (1474, 14195), (1670, 12529), (1837, 11390), (1870, 11189), (2278, 9185), (2839, 7370), (3674, 5695), (3685, 5678)]