20120780176

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4381703}}^1$

素因数の和:4381759

約数の個数: 40

約数和(自身を含む): 45639828864

約数和(自身を除く): 25519048688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4381703, 8763406, 17526812, 30671921, 35053624, 61343842, 70107248, 122687684, 179649823, 245375368, 359299646, 490750736, 718599292, 1257548761, 1437198584, 2515097522, 2874397168, 5030195044, 10060390088, 20120780176]

約数ペア:

[(1, 20120780176), (2, 10060390088), (4, 5030195044), (7, 2874397168), (8, 2515097522), (14, 1437198584), (16, 1257548761), (28, 718599292), (41, 490750736), (56, 359299646), (82, 245375368), (112, 179649823), (164, 122687684), (287, 70107248), (328, 61343842), (574, 35053624), (656, 30671921), (1148, 17526812), (2296, 8763406), (4592, 4381703)]