20291744

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3391}}^1$

素因数の和:3429

約数の個数: 48

約数和(自身を含む): 46158336

約数和(自身を除く): 25866592

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3391, 5984, 6782, 13564, 27128, 37301, 54256, 57647, 74602, 108512, 115294, 149204, 230588, 298408, 461176, 596816, 634117, 922352, 1193632, 1268234, 1844704, 2536468, 5072936, 10145872, 20291744]

約数ペア:

[(1, 20291744), (2, 10145872), (4, 5072936), (8, 2536468), (11, 1844704), (16, 1268234), (17, 1193632), (22, 922352), (32, 634117), (34, 596816), (44, 461176), (68, 298408), (88, 230588), (136, 149204), (176, 115294), (187, 108512), (272, 74602), (352, 57647), (374, 54256), (544, 37301), (748, 27128), (1496, 13564), (2992, 6782), (3391, 5984)]