20100787498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 33756549120

約数和(自身を除く): 13655761622

約数列:

[1, 2, 11, 22, 101, 139, 151, 202, 278, 302, 431, 862, 1111, 1529, 1661, 2222, 3058, 3322, 4741, 9482, 14039, 15251, 20989, 28078, 30502, 41978, 43531, 59909, 65081, 87062, 119818, 130162, 154429, 167761, 230879, 308858, 335522, 461758, 478841, 658999, 715891, 957682, 1317998, 1431782, 2119889, 4239778, 6050809, 6573181, 9046259, 12101618, 13146362, 18092518, 23318779, 46637558, 66558899, 72304991, 99508849, 133117798, 144609982, 199017698, 913672159, 1827344318, 10050393749, 20100787498]

約数ペア:

[(1, 20100787498), (2, 10050393749), (11, 1827344318), (22, 913672159), (101, 199017698), (139, 144609982), (151, 133117798), (202, 99508849), (278, 72304991), (302, 66558899), (431, 46637558), (862, 23318779), (1111, 18092518), (1529, 13146362), (1661, 12101618), (2222, 9046259), (3058, 6573181), (3322, 6050809), (4741, 4239778), (9482, 2119889), (14039, 1431782), (15251, 1317998), (20989, 957682), (28078, 715891), (30502, 658999), (41978, 478841), (43531, 461758), (59909, 335522), (65081, 308858), (87062, 230879), (119818, 167761), (130162, 154429)]