20199863214

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3431849}}^1$

素因数の和:3431969

約数の個数: 32

約数和(自身を含む): 45300420000

約数和(自身を除く): 25100556786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 5886, 3431849, 6863698, 10295547, 20591094, 30886641, 61773282, 92659923, 185319846, 374071541, 748143082, 1122214623, 2244429246, 3366643869, 6733287738, 10099931607, 20199863214]

約数ペア:

[(1, 20199863214), (2, 10099931607), (3, 6733287738), (6, 3366643869), (9, 2244429246), (18, 1122214623), (27, 748143082), (54, 374071541), (109, 185319846), (218, 92659923), (327, 61773282), (654, 30886641), (981, 20591094), (1962, 10295547), (2943, 6863698), (5886, 3431849)]