20139842680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1\times {\mathrm{25703}}^1$

素因数の和:26764

約数の個数: 64

約数和(自身を含む): 47747750400

約数和(自身を除く): 27607907720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1031, 2062, 4124, 5155, 8248, 10310, 19589, 20620, 25703, 39178, 41240, 51406, 78356, 97945, 102812, 128515, 156712, 195890, 205624, 257030, 391780, 488357, 514060, 783560, 976714, 1028120, 1953428, 2441785, 3906856, 4883570, 9767140, 19534280, 26499793, 52999586, 105999172, 132498965, 211998344, 264997930, 503496067, 529995860, 1006992134, 1059991720, 2013984268, 2517480335, 4027968536, 5034960670, 10069921340, 20139842680]

約数ペア:

[(1, 20139842680), (2, 10069921340), (4, 5034960670), (5, 4027968536), (8, 2517480335), (10, 2013984268), (19, 1059991720), (20, 1006992134), (38, 529995860), (40, 503496067), (76, 264997930), (95, 211998344), (152, 132498965), (190, 105999172), (380, 52999586), (760, 26499793), (1031, 19534280), (2062, 9767140), (4124, 4883570), (5155, 3906856), (8248, 2441785), (10310, 1953428), (19589, 1028120), (20620, 976714), (25703, 783560), (39178, 514060), (41240, 488357), (51406, 391780), (78356, 257030), (97945, 205624), (102812, 195890), (128515, 156712)]