20171284812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{164363}}^1$

素因数の和:164867

約数の個数: 72

約数和(自身を含む): 58392612096

約数和(自身を除く): 38221327284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 487, 974, 1461, 1948, 2922, 3409, 4383, 5844, 6818, 8766, 10227, 13636, 17532, 20454, 30681, 40908, 61362, 122724, 164363, 328726, 493089, 657452, 986178, 1150541, 1479267, 1972356, 2301082, 2958534, 3451623, 4602164, 5917068, 6903246, 10354869, 13806492, 20709738, 41419476, 80044781, 160089562, 240134343, 320179124, 480268686, 560313467, 720403029, 960537372, 1120626934, 1440806058, 1680940401, 2241253868, 2881612116, 3361880802, 5042821203, 6723761604, 10085642406, 20171284812]

約数ペア:

[(1, 20171284812), (2, 10085642406), (3, 6723761604), (4, 5042821203), (6, 3361880802), (7, 2881612116), (9, 2241253868), (12, 1680940401), (14, 1440806058), (18, 1120626934), (21, 960537372), (28, 720403029), (36, 560313467), (42, 480268686), (63, 320179124), (84, 240134343), (126, 160089562), (252, 80044781), (487, 41419476), (974, 20709738), (1461, 13806492), (1948, 10354869), (2922, 6903246), (3409, 5917068), (4383, 4602164), (5844, 3451623), (6818, 2958534), (8766, 2301082), (10227, 1972356), (13636, 1479267), (17532, 1150541), (20454, 986178), (30681, 657452), (40908, 493089), (61362, 328726), (122724, 164363)]