20912600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3373}}^1$

素因数の和:3420

約数の個数: 48

約数和(自身を含む): 50205120

約数和(自身を除く): 29292520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3373, 6200, 6746, 13492, 16865, 26984, 33730, 67460, 84325, 104563, 134920, 168650, 209126, 337300, 418252, 522815, 674600, 836504, 1045630, 2091260, 2614075, 4182520, 5228150, 10456300, 20912600]

約数ペア:

[(1, 20912600), (2, 10456300), (4, 5228150), (5, 4182520), (8, 2614075), (10, 2091260), (20, 1045630), (25, 836504), (31, 674600), (40, 522815), (50, 418252), (62, 337300), (100, 209126), (124, 168650), (155, 134920), (200, 104563), (248, 84325), (310, 67460), (620, 33730), (775, 26984), (1240, 16865), (1550, 13492), (3100, 6746), (3373, 6200)]