20128030419

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{307}}^1\times {\mathrm{3947}}^1$

素因数の和:4384

約数の個数: 48

約数和(自身を含む): 31605856128

約数和(自身を除く): 11477825709

約数列:

[1, 3, 7, 21, 49, 113, 147, 307, 339, 791, 921, 2149, 2373, 3947, 5537, 6447, 11841, 15043, 16611, 27629, 34691, 45129, 82887, 104073, 193403, 242837, 446011, 580209, 728511, 1211729, 1338033, 1699859, 3122077, 3635187, 5099577, 8482103, 9366231, 21854539, 25446309, 59374721, 65563617, 136925377, 178124163, 410776131, 958477639, 2875432917, 6709343473, 20128030419]

約数ペア:

[(1, 20128030419), (3, 6709343473), (7, 2875432917), (21, 958477639), (49, 410776131), (113, 178124163), (147, 136925377), (307, 65563617), (339, 59374721), (791, 25446309), (921, 21854539), (2149, 9366231), (2373, 8482103), (3947, 5099577), (5537, 3635187), (6447, 3122077), (11841, 1699859), (15043, 1338033), (16611, 1211729), (27629, 728511), (34691, 580209), (45129, 446011), (82887, 242837), (104073, 193403)]