20039500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3083}}^1$

素因数の和:3115

約数の個数: 48

約数和(自身を含む): 47148192

約数和(自身を除く): 27108692

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3083, 3250, 6166, 6500, 12332, 15415, 30830, 40079, 61660, 77075, 80158, 154150, 160316, 200395, 308300, 385375, 400790, 770750, 801580, 1001975, 1541500, 2003950, 4007900, 5009875, 10019750, 20039500]

約数ペア:

[(1, 20039500), (2, 10019750), (4, 5009875), (5, 4007900), (10, 2003950), (13, 1541500), (20, 1001975), (25, 801580), (26, 770750), (50, 400790), (52, 385375), (65, 308300), (100, 200395), (125, 160316), (130, 154150), (250, 80158), (260, 77075), (325, 61660), (500, 40079), (650, 30830), (1300, 15415), (1625, 12332), (3083, 6500), (3250, 6166)]