20404768688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1583}}^1\times {\mathrm{35027}}^1$

素因数の和:36641

約数の個数: 40

約数和(自身を含む): 41280357888

約数和(自身を除く): 20875589200

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1583, 3166, 6332, 12664, 25328, 35027, 36409, 70054, 72818, 140108, 145636, 280216, 291272, 560432, 582544, 805621, 1611242, 3222484, 6444968, 12889936, 55447741, 110895482, 221790964, 443581928, 887163856, 1275298043, 2550596086, 5101192172, 10202384344, 20404768688]

約数ペア:

[(1, 20404768688), (2, 10202384344), (4, 5101192172), (8, 2550596086), (16, 1275298043), (23, 887163856), (46, 443581928), (92, 221790964), (184, 110895482), (368, 55447741), (1583, 12889936), (3166, 6444968), (6332, 3222484), (12664, 1611242), (25328, 805621), (35027, 582544), (36409, 560432), (70054, 291272), (72818, 280216), (140108, 145636)]