20171023580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1712311}}^1$

素因数の和:1712370

約数の個数: 48

約数和(自身を含む): 46026946560

約数和(自身を除く): 25855922980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 1712311, 3424622, 6849244, 8561555, 17123110, 32533909, 34246220, 53081641, 65067818, 106163282, 130135636, 162669545, 212326564, 265408205, 325339090, 530816410, 650678180, 1008551179, 1061632820, 2017102358, 4034204716, 5042755895, 10085511790, 20171023580]

約数ペア:

[(1, 20171023580), (2, 10085511790), (4, 5042755895), (5, 4034204716), (10, 2017102358), (19, 1061632820), (20, 1008551179), (31, 650678180), (38, 530816410), (62, 325339090), (76, 265408205), (95, 212326564), (124, 162669545), (155, 130135636), (190, 106163282), (310, 65067818), (380, 53081641), (589, 34246220), (620, 32533909), (1178, 17123110), (2356, 8561555), (2945, 6849244), (5890, 3424622), (11780, 1712311)]