20857110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 53028864

約数和(自身を除く): 32171754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 93, 123, 155, 186, 205, 246, 310, 410, 465, 547, 615, 930, 1094, 1230, 1271, 1641, 2542, 2735, 3282, 3813, 5470, 6355, 7626, 8205, 12710, 16410, 16957, 19065, 22427, 33914, 38130, 44854, 50871, 67281, 84785, 101742, 112135, 134562, 169570, 224270, 254355, 336405, 508710, 672810, 695237, 1390474, 2085711, 3476185, 4171422, 6952370, 10428555, 20857110]

約数ペア:

[(1, 20857110), (2, 10428555), (3, 6952370), (5, 4171422), (6, 3476185), (10, 2085711), (15, 1390474), (30, 695237), (31, 672810), (41, 508710), (62, 336405), (82, 254355), (93, 224270), (123, 169570), (155, 134562), (186, 112135), (205, 101742), (246, 84785), (310, 67281), (410, 50871), (465, 44854), (547, 38130), (615, 33914), (930, 22427), (1094, 19065), (1230, 16957), (1271, 16410), (1641, 12710), (2542, 8205), (2735, 7626), (3282, 6355), (3813, 5470)]