20119967925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1319

約数の個数: 96

約数和(自身を含む): 36197933184

約数和(自身を除く): 16077965259

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 557, 615, 691, 697, 1025, 1275, 1671, 2073, 2091, 2785, 3075, 3455, 3485, 8355, 9469, 10365, 10455, 11747, 13925, 17275, 17425, 22837, 28331, 28407, 35241, 41775, 47345, 51825, 52275, 58735, 68511, 84993, 114185, 141655, 142035, 176205, 236725, 293675, 342555, 384887, 388229, 424965, 481627, 570925, 708275, 710175, 881025, 1154661, 1164687, 1444881, 1712775, 1924435, 1941145, 2124825, 2408135, 5773305, 5823435, 6543079, 7224405, 9622175, 9705725, 12040675, 15780367, 19629237, 28866525, 29117175, 32715395, 36122025, 47341101, 78901835, 98146185, 163576975, 236705505, 268266239, 394509175, 490730925, 804798717, 1183527525, 1341331195, 4023993585, 6706655975, 20119967925]

約数ペア:

[(1, 20119967925), (3, 6706655975), (5, 4023993585), (15, 1341331195), (17, 1183527525), (25, 804798717), (41, 490730925), (51, 394509175), (75, 268266239), (85, 236705505), (123, 163576975), (205, 98146185), (255, 78901835), (425, 47341101), (557, 36122025), (615, 32715395), (691, 29117175), (697, 28866525), (1025, 19629237), (1275, 15780367), (1671, 12040675), (2073, 9705725), (2091, 9622175), (2785, 7224405), (3075, 6543079), (3455, 5823435), (3485, 5773305), (8355, 2408135), (9469, 2124825), (10365, 1941145), (10455, 1924435), (11747, 1712775), (13925, 1444881), (17275, 1164687), (17425, 1154661), (22837, 881025), (28331, 710175), (28407, 708275), (35241, 570925), (41775, 481627), (47345, 424965), (51825, 388229), (52275, 384887), (58735, 342555), (68511, 293675), (84993, 236725), (114185, 176205), (141655, 142035)]