20206844925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{221021}}^1$

素因数の和:221110

約数の個数: 48

約数和(自身を含む): 35519119488

約数和(自身を除く): 15312274563

約数列:

[1, 3, 5, 15, 23, 25, 53, 69, 75, 115, 159, 265, 345, 575, 795, 1219, 1325, 1725, 3657, 3975, 6095, 18285, 30475, 91425, 221021, 663063, 1105105, 3315315, 5083483, 5525525, 11714113, 15250449, 16576575, 25417415, 35142339, 58570565, 76252245, 127087075, 175711695, 269424599, 292852825, 381261225, 808273797, 878558475, 1347122995, 4041368985, 6735614975, 20206844925]

約数ペア:

[(1, 20206844925), (3, 6735614975), (5, 4041368985), (15, 1347122995), (23, 878558475), (25, 808273797), (53, 381261225), (69, 292852825), (75, 269424599), (115, 175711695), (159, 127087075), (265, 76252245), (345, 58570565), (575, 35142339), (795, 25417415), (1219, 16576575), (1325, 15250449), (1725, 11714113), (3657, 5525525), (3975, 5083483), (6095, 3315315), (18285, 1105105), (30475, 663063), (91425, 221021)]