20328210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:848

約数の個数: 96

約数和(自身を含む): 61955712

約数和(自身を除く): 41627502

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 41, 42, 45, 63, 70, 82, 90, 105, 123, 126, 205, 210, 246, 287, 315, 369, 410, 574, 615, 630, 738, 787, 861, 1230, 1435, 1574, 1722, 1845, 2361, 2583, 2870, 3690, 3935, 4305, 4722, 5166, 5509, 7083, 7870, 8610, 11018, 11805, 12915, 14166, 16527, 23610, 25830, 27545, 32267, 33054, 35415, 49581, 55090, 64534, 70830, 82635, 96801, 99162, 161335, 165270, 193602, 225869, 247905, 290403, 322670, 451738, 484005, 495810, 580806, 677607, 968010, 1129345, 1355214, 1452015, 2032821, 2258690, 2904030, 3388035, 4065642, 6776070, 10164105, 20328210]

約数ペア:

[(1, 20328210), (2, 10164105), (3, 6776070), (5, 4065642), (6, 3388035), (7, 2904030), (9, 2258690), (10, 2032821), (14, 1452015), (15, 1355214), (18, 1129345), (21, 968010), (30, 677607), (35, 580806), (41, 495810), (42, 484005), (45, 451738), (63, 322670), (70, 290403), (82, 247905), (90, 225869), (105, 193602), (123, 165270), (126, 161335), (205, 99162), (210, 96801), (246, 82635), (287, 70830), (315, 64534), (369, 55090), (410, 49581), (574, 35415), (615, 33054), (630, 32267), (738, 27545), (787, 25830), (861, 23610), (1230, 16527), (1435, 14166), (1574, 12915), (1722, 11805), (1845, 11018), (2361, 8610), (2583, 7870), (2870, 7083), (3690, 5509), (3935, 5166), (4305, 4722)]