20512095392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{475169}}^1$

素因数の和:475269

約数の個数: 48

約数和(自身を含む): 43107422400

約数和(自身を除く): 22595327008

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 71, 76, 142, 152, 284, 304, 568, 608, 1136, 1349, 2272, 2698, 5396, 10792, 21584, 43168, 475169, 950338, 1900676, 3801352, 7602704, 9028211, 15205408, 18056422, 33736999, 36112844, 67473998, 72225688, 134947996, 144451376, 269895992, 288902752, 539791984, 641002981, 1079583968, 1282005962, 2564011924, 5128023848, 10256047696, 20512095392]

約数ペア:

[(1, 20512095392), (2, 10256047696), (4, 5128023848), (8, 2564011924), (16, 1282005962), (19, 1079583968), (32, 641002981), (38, 539791984), (71, 288902752), (76, 269895992), (142, 144451376), (152, 134947996), (284, 72225688), (304, 67473998), (568, 36112844), (608, 33736999), (1136, 18056422), (1349, 15205408), (2272, 9028211), (2698, 7602704), (5396, 3801352), (10792, 1900676), (21584, 950338), (43168, 475169)]