20919288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67049}}^1$

素因数の和:67071

約数の個数: 32

約数和(自身を含む): 56322000

約数和(自身を除く): 35402712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67049, 134098, 201147, 268196, 402294, 536392, 804588, 871637, 1609176, 1743274, 2614911, 3486548, 5229822, 6973096, 10459644, 20919288]

約数ペア:

[(1, 20919288), (2, 10459644), (3, 6973096), (4, 5229822), (6, 3486548), (8, 2614911), (12, 1743274), (13, 1609176), (24, 871637), (26, 804588), (39, 536392), (52, 402294), (78, 268196), (104, 201147), (156, 134098), (312, 67049)]