20154875325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{504187}}^1$

素因数の和:504254

約数の個数: 48

約数和(自身を含む): 36761355456

約数和(自身を除く): 16606480131

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 975, 1025, 1599, 2665, 3075, 7995, 13325, 39975, 504187, 1512561, 2520935, 6554431, 7562805, 12604675, 19663293, 20671667, 32772155, 37814025, 62015001, 98316465, 103358335, 163860775, 268731671, 310075005, 491582325, 516791675, 806195013, 1343658355, 1550375025, 4030975065, 6718291775, 20154875325]

約数ペア:

[(1, 20154875325), (3, 6718291775), (5, 4030975065), (13, 1550375025), (15, 1343658355), (25, 806195013), (39, 516791675), (41, 491582325), (65, 310075005), (75, 268731671), (123, 163860775), (195, 103358335), (205, 98316465), (325, 62015001), (533, 37814025), (615, 32772155), (975, 20671667), (1025, 19663293), (1599, 12604675), (2665, 7562805), (3075, 6554431), (7995, 2520935), (13325, 1512561), (39975, 504187)]