20218770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1608

約数の個数: 96

約数和(自身を含む): 61798464

約数和(自身を除く): 41579694

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1571, 2145, 2574, 3142, 4290, 4713, 6435, 7855, 9426, 12870, 14139, 15710, 17281, 20423, 23565, 28278, 34562, 40846, 47130, 51843, 61269, 70695, 86405, 102115, 103686, 122538, 141390, 155529, 172810, 183807, 204230, 224653, 259215, 306345, 311058, 367614, 449306, 518430, 612690, 673959, 777645, 919035, 1123265, 1347918, 1555290, 1838070, 2021877, 2246530, 3369795, 4043754, 6739590, 10109385, 20218770]

約数ペア:

[(1, 20218770), (2, 10109385), (3, 6739590), (5, 4043754), (6, 3369795), (9, 2246530), (10, 2021877), (11, 1838070), (13, 1555290), (15, 1347918), (18, 1123265), (22, 919035), (26, 777645), (30, 673959), (33, 612690), (39, 518430), (45, 449306), (55, 367614), (65, 311058), (66, 306345), (78, 259215), (90, 224653), (99, 204230), (110, 183807), (117, 172810), (130, 155529), (143, 141390), (165, 122538), (195, 103686), (198, 102115), (234, 86405), (286, 70695), (330, 61269), (390, 51843), (429, 47130), (495, 40846), (585, 34562), (715, 28278), (858, 23565), (990, 20423), (1170, 17281), (1287, 15710), (1430, 14139), (1571, 12870), (2145, 9426), (2574, 7855), (3142, 6435), (4290, 4713)]