16684820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 38320128

約数和(自身を除く): 21635308

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1583, 2108, 2635, 3166, 5270, 6332, 7915, 10540, 15830, 26911, 31660, 49073, 53822, 98146, 107644, 134555, 196292, 245365, 269110, 490730, 538220, 834241, 981460, 1668482, 3336964, 4171205, 8342410, 16684820]

約数ペア:

[(1, 16684820), (2, 8342410), (4, 4171205), (5, 3336964), (10, 1668482), (17, 981460), (20, 834241), (31, 538220), (34, 490730), (62, 269110), (68, 245365), (85, 196292), (124, 134555), (155, 107644), (170, 98146), (310, 53822), (340, 49073), (527, 31660), (620, 26911), (1054, 15830), (1583, 10540), (2108, 7915), (2635, 6332), (3166, 5270)]