20666304868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1051}}^1\times {\mathrm{40627}}^1$

素因数の和:41704

約数の個数: 36

約数和(自身を含む): 39791550736

約数和(自身を除く): 19125245868

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1051, 2102, 4204, 11561, 23122, 40627, 46244, 81254, 127171, 162508, 254342, 446897, 508684, 893794, 1787588, 4915867, 9831734, 19663468, 42698977, 85397954, 170795908, 469688747, 939377494, 1878754988, 5166576217, 10333152434, 20666304868]

約数ペア:

[(1, 20666304868), (2, 10333152434), (4, 5166576217), (11, 1878754988), (22, 939377494), (44, 469688747), (121, 170795908), (242, 85397954), (484, 42698977), (1051, 19663468), (2102, 9831734), (4204, 4915867), (11561, 1787588), (23122, 893794), (40627, 508684), (46244, 446897), (81254, 254342), (127171, 162508)]