17788420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 41545728

約数和(自身を除く): 23757308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2207, 4030, 4414, 8060, 8828, 11035, 22070, 28691, 44140, 57382, 68417, 114764, 136834, 143455, 273668, 286910, 342085, 573820, 684170, 889421, 1368340, 1778842, 3557684, 4447105, 8894210, 17788420]

約数ペア:

[(1, 17788420), (2, 8894210), (4, 4447105), (5, 3557684), (10, 1778842), (13, 1368340), (20, 889421), (26, 684170), (31, 573820), (52, 342085), (62, 286910), (65, 273668), (124, 143455), (130, 136834), (155, 114764), (260, 68417), (310, 57382), (403, 44140), (620, 28691), (806, 22070), (1612, 11035), (2015, 8828), (2207, 8060), (4030, 4414)]