20560488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65899}}^1$

素因数の和:65921

約数の個数: 32

約数和(自身を含む): 55356000

約数和(自身を除く): 34795512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65899, 131798, 197697, 263596, 395394, 527192, 790788, 856687, 1581576, 1713374, 2570061, 3426748, 5140122, 6853496, 10280244, 20560488]

約数ペア:

[(1, 20560488), (2, 10280244), (3, 6853496), (4, 5140122), (6, 3426748), (8, 2570061), (12, 1713374), (13, 1581576), (24, 856687), (26, 790788), (39, 527192), (52, 395394), (78, 263596), (104, 197697), (156, 131798), (312, 65899)]