20851952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:737

約数の個数: 40

約数和(自身を含む): 44340912

約数和(自身を除く): 23488960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 257, 461, 514, 922, 1028, 1844, 2056, 2827, 3688, 4112, 5071, 5654, 7376, 10142, 11308, 20284, 22616, 40568, 45232, 81136, 118477, 236954, 473908, 947816, 1303247, 1895632, 2606494, 5212988, 10425976, 20851952]

約数ペア:

[(1, 20851952), (2, 10425976), (4, 5212988), (8, 2606494), (11, 1895632), (16, 1303247), (22, 947816), (44, 473908), (88, 236954), (176, 118477), (257, 81136), (461, 45232), (514, 40568), (922, 22616), (1028, 20284), (1844, 11308), (2056, 10142), (2827, 7376), (3688, 5654), (4112, 5071)]