20460840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1021}}^1$

素因数の和:1202

約数の個数: 64

約数和(自身を含む): 61810560

約数和(自身を除く): 41349720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 1002, 1021, 1336, 1670, 2004, 2042, 2505, 3063, 3340, 4008, 4084, 5010, 5105, 6126, 6680, 8168, 10020, 10210, 12252, 15315, 20040, 20420, 24504, 30630, 40840, 61260, 122520, 170507, 341014, 511521, 682028, 852535, 1023042, 1364056, 1705070, 2046084, 2557605, 3410140, 4092168, 5115210, 6820280, 10230420, 20460840]

約数ペア:

[(1, 20460840), (2, 10230420), (3, 6820280), (4, 5115210), (5, 4092168), (6, 3410140), (8, 2557605), (10, 2046084), (12, 1705070), (15, 1364056), (20, 1023042), (24, 852535), (30, 682028), (40, 511521), (60, 341014), (120, 170507), (167, 122520), (334, 61260), (501, 40840), (668, 30630), (835, 24504), (1002, 20420), (1021, 20040), (1336, 15315), (1670, 12252), (2004, 10210), (2042, 10020), (2505, 8168), (3063, 6680), (3340, 6126), (4008, 5105), (4084, 5010)]