17676820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4073}}^1$

素因数の和:4120

約数の個数: 48

約数和(自身を含む): 43803648

約数和(自身を除く): 26126828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4073, 4340, 8146, 16292, 20365, 28511, 40730, 57022, 81460, 114044, 126263, 142555, 252526, 285110, 505052, 570220, 631315, 883841, 1262630, 1767682, 2525260, 3535364, 4419205, 8838410, 17676820]

約数ペア:

[(1, 17676820), (2, 8838410), (4, 4419205), (5, 3535364), (7, 2525260), (10, 1767682), (14, 1262630), (20, 883841), (28, 631315), (31, 570220), (35, 505052), (62, 285110), (70, 252526), (124, 142555), (140, 126263), (155, 114044), (217, 81460), (310, 57022), (434, 40730), (620, 28511), (868, 20365), (1085, 16292), (2170, 8146), (4073, 4340)]