20526570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2887}}^1$

素因数の和:2979

約数の個数: 48

約数和(自身を含む): 54063360

約数和(自身を除く): 33536790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2887, 3555, 5774, 7110, 8661, 14435, 17322, 25983, 28870, 43305, 51966, 86610, 129915, 228073, 259830, 456146, 684219, 1140365, 1368438, 2052657, 2280730, 3421095, 4105314, 6842190, 10263285, 20526570]

約数ペア:

[(1, 20526570), (2, 10263285), (3, 6842190), (5, 4105314), (6, 3421095), (9, 2280730), (10, 2052657), (15, 1368438), (18, 1140365), (30, 684219), (45, 456146), (79, 259830), (90, 228073), (158, 129915), (237, 86610), (395, 51966), (474, 43305), (711, 28870), (790, 25983), (1185, 17322), (1422, 14435), (2370, 8661), (2887, 7110), (3555, 5774)]