20627490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 53778816

約数和(自身を除く): 33151326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 227, 233, 390, 454, 466, 681, 699, 1135, 1165, 1362, 1398, 2270, 2330, 2951, 3029, 3405, 3495, 5902, 6058, 6810, 6990, 8853, 9087, 14755, 15145, 17706, 18174, 29510, 30290, 44265, 45435, 52891, 88530, 90870, 105782, 158673, 264455, 317346, 528910, 687583, 793365, 1375166, 1586730, 2062749, 3437915, 4125498, 6875830, 10313745, 20627490]

約数ペア:

[(1, 20627490), (2, 10313745), (3, 6875830), (5, 4125498), (6, 3437915), (10, 2062749), (13, 1586730), (15, 1375166), (26, 793365), (30, 687583), (39, 528910), (65, 317346), (78, 264455), (130, 158673), (195, 105782), (227, 90870), (233, 88530), (390, 52891), (454, 45435), (466, 44265), (681, 30290), (699, 29510), (1135, 18174), (1165, 17706), (1362, 15145), (1398, 14755), (2270, 9087), (2330, 8853), (2951, 6990), (3029, 6810), (3405, 6058), (3495, 5902)]