20723490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12119}}^1$

素因数の和:12151

約数の個数: 48

約数和(自身を含む): 56721600

約数和(自身を除く): 35998110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12119, 24238, 36357, 60595, 72714, 109071, 121190, 181785, 218142, 230261, 363570, 460522, 545355, 690783, 1090710, 1151305, 1381566, 2072349, 2302610, 3453915, 4144698, 6907830, 10361745, 20723490]

約数ペア:

[(1, 20723490), (2, 10361745), (3, 6907830), (5, 4144698), (6, 3453915), (9, 2302610), (10, 2072349), (15, 1381566), (18, 1151305), (19, 1090710), (30, 690783), (38, 545355), (45, 460522), (57, 363570), (90, 230261), (95, 218142), (114, 181785), (171, 121190), (190, 109071), (285, 72714), (342, 60595), (570, 36357), (855, 24238), (1710, 12119)]