20799675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{547}}^1$

素因数の和:589

約数の個数: 54

約数和(自身を含む): 40414452

約数和(自身を除く): 19614777

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 169, 195, 225, 325, 507, 547, 585, 845, 975, 1521, 1641, 2535, 2735, 2925, 4225, 4923, 7111, 7605, 8205, 12675, 13675, 21333, 24615, 35555, 38025, 41025, 63999, 92443, 106665, 123075, 177775, 277329, 319995, 462215, 533325, 831987, 1386645, 1599975, 2311075, 4159935, 6933225, 20799675]

約数ペア:

[(1, 20799675), (3, 6933225), (5, 4159935), (9, 2311075), (13, 1599975), (15, 1386645), (25, 831987), (39, 533325), (45, 462215), (65, 319995), (75, 277329), (117, 177775), (169, 123075), (195, 106665), (225, 92443), (325, 63999), (507, 41025), (547, 38025), (585, 35555), (845, 24615), (975, 21333), (1521, 13675), (1641, 12675), (2535, 8205), (2735, 7605), (2925, 7111), (4225, 4923)]