20863556

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 45069696

約数和(自身を除く): 24206140

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 827, 901, 1484, 1654, 1802, 3308, 3604, 5789, 6307, 11578, 12614, 14059, 23156, 25228, 28118, 43831, 56236, 87662, 98413, 175324, 196826, 306817, 393652, 613634, 745127, 1227268, 1490254, 2980508, 5215889, 10431778, 20863556]

約数ペア:

[(1, 20863556), (2, 10431778), (4, 5215889), (7, 2980508), (14, 1490254), (17, 1227268), (28, 745127), (34, 613634), (53, 393652), (68, 306817), (106, 196826), (119, 175324), (212, 98413), (238, 87662), (371, 56236), (476, 43831), (742, 28118), (827, 25228), (901, 23156), (1484, 14059), (1654, 12614), (1802, 11578), (3308, 6307), (3604, 5789)]