20411358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 48142080

約数和(自身を除く): 27730722

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 41, 57, 66, 82, 114, 123, 209, 246, 397, 418, 451, 627, 779, 794, 902, 1191, 1254, 1353, 1558, 2337, 2382, 2706, 4367, 4674, 7543, 8569, 8734, 13101, 15086, 16277, 17138, 22629, 25707, 26202, 32554, 45258, 48831, 51414, 82973, 97662, 165946, 179047, 248919, 309263, 358094, 497838, 537141, 618526, 927789, 1074282, 1855578, 3401893, 6803786, 10205679, 20411358]

約数ペア:

[(1, 20411358), (2, 10205679), (3, 6803786), (6, 3401893), (11, 1855578), (19, 1074282), (22, 927789), (33, 618526), (38, 537141), (41, 497838), (57, 358094), (66, 309263), (82, 248919), (114, 179047), (123, 165946), (209, 97662), (246, 82973), (397, 51414), (418, 48831), (451, 45258), (627, 32554), (779, 26202), (794, 25707), (902, 22629), (1191, 17138), (1254, 16277), (1353, 15086), (1558, 13101), (2337, 8734), (2382, 8569), (2706, 7543), (4367, 4674)]