20176280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29671}}^1$

素因数の和:29699

約数の個数: 32

約数和(自身を含む): 48068640

約数和(自身を除く): 27892360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29671, 59342, 118684, 148355, 237368, 296710, 504407, 593420, 1008814, 1186840, 2017628, 2522035, 4035256, 5044070, 10088140, 20176280]

約数ペア:

[(1, 20176280), (2, 10088140), (4, 5044070), (5, 4035256), (8, 2522035), (10, 2017628), (17, 1186840), (20, 1008814), (34, 593420), (40, 504407), (68, 296710), (85, 237368), (136, 148355), (170, 118684), (340, 59342), (680, 29671)]