20489625

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 40884480

約数和(自身を除く): 20394855

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 467, 585, 675, 975, 1125, 1401, 1625, 1755, 2335, 2925, 3375, 4203, 4875, 6071, 7005, 8775, 11675, 12609, 14625, 18213, 21015, 30355, 35025, 43875, 54639, 58375, 63045, 91065, 105075, 151775, 163917, 175125, 273195, 315225, 455325, 525375, 758875, 819585, 1365975, 1576125, 2276625, 4097925, 6829875, 20489625]

約数ペア:

[(1, 20489625), (3, 6829875), (5, 4097925), (9, 2276625), (13, 1576125), (15, 1365975), (25, 819585), (27, 758875), (39, 525375), (45, 455325), (65, 315225), (75, 273195), (117, 175125), (125, 163917), (135, 151775), (195, 105075), (225, 91065), (325, 63045), (351, 58375), (375, 54639), (467, 43875), (585, 35025), (675, 30355), (975, 21015), (1125, 18213), (1401, 14625), (1625, 12609), (1755, 11675), (2335, 8775), (2925, 7005), (3375, 6071), (4203, 4875)]