20918472

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13009}}^1$

素因数の和:13085

約数の個数: 32

約数和(自身を含む): 53080800

約数和(自身を除く): 32162328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13009, 26018, 39027, 52036, 78054, 104072, 156108, 312216, 871603, 1743206, 2614809, 3486412, 5229618, 6972824, 10459236, 20918472]

約数ペア:

[(1, 20918472), (2, 10459236), (3, 6972824), (4, 5229618), (6, 3486412), (8, 2614809), (12, 1743206), (24, 871603), (67, 312216), (134, 156108), (201, 104072), (268, 78054), (402, 52036), (536, 39027), (804, 26018), (1608, 13009)]