20888230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 42153552

約数和(自身を除く): 21265322

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 283, 305, 566, 605, 610, 671, 1210, 1342, 1415, 2830, 3113, 3355, 6226, 6710, 7381, 14762, 15565, 17263, 31130, 34243, 34526, 36905, 68486, 73810, 86315, 171215, 172630, 189893, 342430, 379786, 949465, 1898930, 2088823, 4177646, 10444115, 20888230]

約数ペア:

[(1, 20888230), (2, 10444115), (5, 4177646), (10, 2088823), (11, 1898930), (22, 949465), (55, 379786), (61, 342430), (110, 189893), (121, 172630), (122, 171215), (242, 86315), (283, 73810), (305, 68486), (566, 36905), (605, 34526), (610, 34243), (671, 31130), (1210, 17263), (1342, 15565), (1415, 14762), (2830, 7381), (3113, 6710), (3355, 6226)]