20178630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1613}}^1$

素因数の和:1765

約数の個数: 48

約数和(自身を含む): 52874640

約数和(自身を除く): 32696010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 1613, 2085, 2502, 3226, 4170, 4839, 6255, 8065, 9678, 12510, 14517, 16130, 24195, 29034, 48390, 72585, 145170, 224207, 448414, 672621, 1121035, 1345242, 2017863, 2242070, 3363105, 4035726, 6726210, 10089315, 20178630]

約数ペア:

[(1, 20178630), (2, 10089315), (3, 6726210), (5, 4035726), (6, 3363105), (9, 2242070), (10, 2017863), (15, 1345242), (18, 1121035), (30, 672621), (45, 448414), (90, 224207), (139, 145170), (278, 72585), (417, 48390), (695, 29034), (834, 24195), (1251, 16130), (1390, 14517), (1613, 12510), (2085, 9678), (2502, 8065), (3226, 6255), (4170, 4839)]