20952932

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5233}}^1$

素因数の和:5268

約数の個数: 48

約数和(自身を含む): 49241472

約数和(自身を除く): 28288540

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5233, 10466, 20932, 36631, 57563, 68029, 73262, 115126, 136058, 146524, 230252, 272116, 402941, 476203, 748319, 805882, 952406, 1496638, 1611764, 1904812, 2993276, 5238233, 10476466, 20952932]

約数ペア:

[(1, 20952932), (2, 10476466), (4, 5238233), (7, 2993276), (11, 1904812), (13, 1611764), (14, 1496638), (22, 952406), (26, 805882), (28, 748319), (44, 476203), (52, 402941), (77, 272116), (91, 230252), (143, 146524), (154, 136058), (182, 115126), (286, 73262), (308, 68029), (364, 57563), (572, 36631), (1001, 20932), (2002, 10466), (4004, 5233)]