20326876864

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{621541}}^1$

素因数の和:621633

約数の個数: 56

約数和(自身を含む): 46730013728

約数和(自身を除く): 26403136864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 1022, 1168, 2044, 2336, 4088, 4672, 8176, 16352, 32704, 621541, 1243082, 2486164, 4350787, 4972328, 8701574, 9944656, 17403148, 19889312, 34806296, 39778624, 45372493, 69612592, 90744986, 139225184, 181489972, 278450368, 317607451, 362979944, 635214902, 725959888, 1270429804, 1451919776, 2540859608, 2903839552, 5081719216, 10163438432, 20326876864]

約数ペア:

[(1, 20326876864), (2, 10163438432), (4, 5081719216), (7, 2903839552), (8, 2540859608), (14, 1451919776), (16, 1270429804), (28, 725959888), (32, 635214902), (56, 362979944), (64, 317607451), (73, 278450368), (112, 181489972), (146, 139225184), (224, 90744986), (292, 69612592), (448, 45372493), (511, 39778624), (584, 34806296), (1022, 19889312), (1168, 17403148), (2044, 9944656), (2336, 8701574), (4088, 4972328), (4672, 4350787), (8176, 2486164), (16352, 1243082), (32704, 621541)]