19662960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81929}}^1$

素因数の和:81945

約数の個数: 40

約数和(自身を含む): 60955920

約数和(自身を除く): 41292960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81929, 163858, 245787, 327716, 409645, 491574, 655432, 819290, 983148, 1228935, 1310864, 1638580, 1966296, 2457870, 3277160, 3932592, 4915740, 6554320, 9831480, 19662960]

約数ペア:

[(1, 19662960), (2, 9831480), (3, 6554320), (4, 4915740), (5, 3932592), (6, 3277160), (8, 2457870), (10, 1966296), (12, 1638580), (15, 1310864), (16, 1228935), (20, 983148), (24, 819290), (30, 655432), (40, 491574), (48, 409645), (60, 327716), (80, 245787), (120, 163858), (240, 81929)]