20329386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31095894

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 79, 154, 158, 231, 237, 462, 474, 553, 557, 869, 1106, 1114, 1659, 1671, 1738, 2607, 3318, 3342, 3899, 5214, 6083, 6127, 7798, 11697, 12166, 12254, 18249, 18381, 23394, 36498, 36762, 42889, 44003, 85778, 88006, 128667, 132009, 257334, 264018, 308021, 484033, 616042, 924063, 968066, 1452099, 1848126, 2904198, 3388231, 6776462, 10164693, 20329386]

約数ペア:

[(1, 20329386), (2, 10164693), (3, 6776462), (6, 3388231), (7, 2904198), (11, 1848126), (14, 1452099), (21, 968066), (22, 924063), (33, 616042), (42, 484033), (66, 308021), (77, 264018), (79, 257334), (154, 132009), (158, 128667), (231, 88006), (237, 85778), (462, 44003), (474, 42889), (553, 36762), (557, 36498), (869, 23394), (1106, 18381), (1114, 18249), (1659, 12254), (1671, 12166), (1738, 11697), (2607, 7798), (3318, 6127), (3342, 6083), (3899, 5214)]