20396688487

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{36241}}^1$

素因数の和:36379

約数の個数: 32

約数和(自身を含む): 24987844224

約数和(自身を除く): 4591155737

約数列:

[1, 7, 37, 41, 53, 259, 287, 371, 1517, 1961, 2173, 10619, 13727, 15211, 36241, 80401, 253687, 562807, 1340917, 1485881, 1920773, 9386419, 10401167, 13445411, 54977597, 71068601, 78751693, 384843179, 497480207, 551261851, 2913812641, 20396688487]

約数ペア:

[(1, 20396688487), (7, 2913812641), (37, 551261851), (41, 497480207), (53, 384843179), (259, 78751693), (287, 71068601), (371, 54977597), (1517, 13445411), (1961, 10401167), (2173, 9386419), (10619, 1920773), (13727, 1485881), (15211, 1340917), (36241, 562807), (80401, 253687)]