20172568875

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{10331}}^1$

素因数の和:10517

約数の個数: 64

約数和(自身を含む): 34659975168

約数和(自身を除く): 14487406293

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 127, 205, 375, 381, 615, 635, 1025, 1905, 3075, 3175, 5125, 5207, 9525, 10331, 15375, 15621, 15875, 26035, 30993, 47625, 51655, 78105, 130175, 154965, 258275, 390525, 423571, 650875, 774825, 1270713, 1291375, 1312037, 1952625, 2117855, 3874125, 3936111, 6353565, 6560185, 10589275, 19680555, 31767825, 32800925, 52946375, 53793517, 98402775, 158839125, 161380551, 164004625, 268967585, 492013875, 806902755, 1344837925, 4034513775, 6724189625, 20172568875]

約数ペア:

[(1, 20172568875), (3, 6724189625), (5, 4034513775), (15, 1344837925), (25, 806902755), (41, 492013875), (75, 268967585), (123, 164004625), (125, 161380551), (127, 158839125), (205, 98402775), (375, 53793517), (381, 52946375), (615, 32800925), (635, 31767825), (1025, 19680555), (1905, 10589275), (3075, 6560185), (3175, 6353565), (5125, 3936111), (5207, 3874125), (9525, 2117855), (10331, 1952625), (15375, 1312037), (15621, 1291375), (15875, 1270713), (26035, 774825), (30993, 650875), (47625, 423571), (51655, 390525), (78105, 258275), (130175, 154965)]