20175079665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1\times {\mathrm{1447}}^1$

素因数の和:2158

約数の個数: 64

約数和(自身を含む): 35123429376

約数和(自身を除く): 14948349711

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 563, 635, 1447, 1651, 1689, 1905, 2815, 4341, 4953, 7235, 7319, 8255, 8445, 18811, 21705, 21957, 24765, 36595, 56433, 71501, 94055, 109785, 183769, 214503, 282165, 357505, 551307, 814661, 918845, 929513, 1072515, 2388997, 2443983, 2756535, 2788539, 4073305, 4647565, 7166991, 10590593, 11944985, 12219915, 13942695, 31771779, 35834955, 52952965, 103461947, 158858895, 310385841, 517309735, 1345005311, 1551929205, 4035015933, 6725026555, 20175079665]

約数ペア:

[(1, 20175079665), (3, 6725026555), (5, 4035015933), (13, 1551929205), (15, 1345005311), (39, 517309735), (65, 310385841), (127, 158858895), (195, 103461947), (381, 52952965), (563, 35834955), (635, 31771779), (1447, 13942695), (1651, 12219915), (1689, 11944985), (1905, 10590593), (2815, 7166991), (4341, 4647565), (4953, 4073305), (7235, 2788539), (7319, 2756535), (8255, 2443983), (8445, 2388997), (18811, 1072515), (21705, 929513), (21957, 918845), (24765, 814661), (36595, 551307), (56433, 357505), (71501, 282165), (94055, 214503), (109785, 183769)]