20315160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56431}}^1$

素因数の和:56448

約数の個数: 48

約数和(自身を含む): 66025440

約数和(自身を除く): 45710280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56431, 112862, 169293, 225724, 282155, 338586, 451448, 507879, 564310, 677172, 846465, 1015758, 1128620, 1354344, 1692930, 2031516, 2257240, 2539395, 3385860, 4063032, 5078790, 6771720, 10157580, 20315160]

約数ペア:

[(1, 20315160), (2, 10157580), (3, 6771720), (4, 5078790), (5, 4063032), (6, 3385860), (8, 2539395), (9, 2257240), (10, 2031516), (12, 1692930), (15, 1354344), (18, 1128620), (20, 1015758), (24, 846465), (30, 677172), (36, 564310), (40, 507879), (45, 451448), (60, 338586), (72, 282155), (90, 225724), (120, 169293), (180, 112862), (360, 56431)]