20186608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 44990176

約数和(自身を除く): 24803568

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 43, 52, 61, 74, 86, 104, 122, 148, 172, 208, 244, 296, 344, 481, 488, 559, 592, 688, 793, 962, 976, 1118, 1586, 1591, 1924, 2236, 2257, 2623, 3172, 3182, 3848, 4472, 4514, 5246, 6344, 6364, 7696, 8944, 9028, 10492, 12688, 12728, 18056, 20683, 20984, 25456, 29341, 34099, 36112, 41366, 41968, 58682, 68198, 82732, 97051, 117364, 136396, 165464, 194102, 234728, 272792, 330928, 388204, 469456, 545584, 776408, 1261663, 1552816, 2523326, 5046652, 10093304, 20186608]

約数ペア:

[(1, 20186608), (2, 10093304), (4, 5046652), (8, 2523326), (13, 1552816), (16, 1261663), (26, 776408), (37, 545584), (43, 469456), (52, 388204), (61, 330928), (74, 272792), (86, 234728), (104, 194102), (122, 165464), (148, 136396), (172, 117364), (208, 97051), (244, 82732), (296, 68198), (344, 58682), (481, 41968), (488, 41366), (559, 36112), (592, 34099), (688, 29341), (793, 25456), (962, 20984), (976, 20683), (1118, 18056), (1586, 12728), (1591, 12688), (1924, 10492), (2236, 9028), (2257, 8944), (2623, 7696), (3172, 6364), (3182, 6344), (3848, 5246), (4472, 4514)]