20882313

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 32537600

約数和(自身を除く): 11655287

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 409, 549, 837, 1227, 1647, 1891, 3681, 5673, 11043, 12679, 17019, 24949, 38037, 51057, 74847, 114111, 224541, 342333, 673623, 773419, 2320257, 6960771, 20882313]

約数ペア:

[(1, 20882313), (3, 6960771), (9, 2320257), (27, 773419), (31, 673623), (61, 342333), (93, 224541), (183, 114111), (279, 74847), (409, 51057), (549, 38037), (837, 24949), (1227, 17019), (1647, 12679), (1891, 11043), (3681, 5673)]