20167497420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6859693}}^1$

素因数の和:6859719

約数の個数: 72

約数和(自身を含む): 65688429744

約数和(自身を除く): 45520932324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6859693, 13719386, 20579079, 27438772, 34298465, 41158158, 48017851, 68596930, 82316316, 96035702, 102895395, 137193860, 144053553, 192071404, 205790790, 240089255, 288107106, 336124957, 411581580, 480178510, 576214212, 672249914, 720267765, 960357020, 1008374871, 1344499828, 1440535530, 1680624785, 2016749742, 2881071060, 3361249570, 4033499484, 5041874355, 6722499140, 10083748710, 20167497420]

約数ペア:

[(1, 20167497420), (2, 10083748710), (3, 6722499140), (4, 5041874355), (5, 4033499484), (6, 3361249570), (7, 2881071060), (10, 2016749742), (12, 1680624785), (14, 1440535530), (15, 1344499828), (20, 1008374871), (21, 960357020), (28, 720267765), (30, 672249914), (35, 576214212), (42, 480178510), (49, 411581580), (60, 336124957), (70, 288107106), (84, 240089255), (98, 205790790), (105, 192071404), (140, 144053553), (147, 137193860), (196, 102895395), (210, 96035702), (245, 82316316), (294, 68596930), (420, 48017851), (490, 41158158), (588, 34298465), (735, 27438772), (980, 20579079), (1470, 13719386), (2940, 6859693)]