20512007190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{393629}}^1$

素因数の和:393838

約数の個数: 64

約数和(自身を含む): 54982238400

約数和(自身を除く): 34470231210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 193, 270, 386, 579, 965, 1158, 1737, 1930, 2895, 3474, 5211, 5790, 8685, 10422, 17370, 26055, 52110, 393629, 787258, 1180887, 1968145, 2361774, 3542661, 3936290, 5904435, 7085322, 10627983, 11808870, 17713305, 21255966, 35426610, 53139915, 75970397, 106279830, 151940794, 227911191, 379851985, 455822382, 683733573, 759703970, 1139555955, 1367467146, 2051200719, 2279111910, 3418667865, 4102401438, 6837335730, 10256003595, 20512007190]

約数ペア:

[(1, 20512007190), (2, 10256003595), (3, 6837335730), (5, 4102401438), (6, 3418667865), (9, 2279111910), (10, 2051200719), (15, 1367467146), (18, 1139555955), (27, 759703970), (30, 683733573), (45, 455822382), (54, 379851985), (90, 227911191), (135, 151940794), (193, 106279830), (270, 75970397), (386, 53139915), (579, 35426610), (965, 21255966), (1158, 17713305), (1737, 11808870), (1930, 10627983), (2895, 7085322), (3474, 5904435), (5211, 3936290), (5790, 3542661), (8685, 2361774), (10422, 1968145), (17370, 1180887), (26055, 787258), (52110, 393629)]