20673471

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1847}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 34771968

約数和(自身を除く): 14098497

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1847, 3731, 5541, 11193, 12929, 24011, 38787, 72033, 75727, 168077, 227181, 504231, 530089, 984451, 1590267, 2953353, 6891157, 20673471]

約数ペア:

[(1, 20673471), (3, 6891157), (7, 2953353), (13, 1590267), (21, 984451), (39, 530089), (41, 504231), (91, 227181), (123, 168077), (273, 75727), (287, 72033), (533, 38787), (861, 24011), (1599, 12929), (1847, 11193), (3731, 5541)]