20187752624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{71947}}^1$

素因数の和:72058

約数の個数: 80

約数和(自身を含む): 44964622080

約数和(自身を除く): 24776869456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 71, 76, 104, 142, 152, 208, 247, 284, 304, 494, 568, 923, 988, 1136, 1349, 1846, 1976, 2698, 3692, 3952, 5396, 7384, 10792, 14768, 17537, 21584, 35074, 70148, 71947, 140296, 143894, 280592, 287788, 575576, 935311, 1151152, 1366993, 1870622, 2733986, 3741244, 5108237, 5467972, 7482488, 10216474, 10935944, 14964976, 17770909, 20432948, 21871888, 35541818, 40865896, 66407081, 71083636, 81731792, 97056503, 132814162, 142167272, 194113006, 265628324, 284334544, 388226012, 531256648, 776452024, 1062513296, 1261734539, 1552904048, 2523469078, 5046938156, 10093876312, 20187752624]

約数ペア:

[(1, 20187752624), (2, 10093876312), (4, 5046938156), (8, 2523469078), (13, 1552904048), (16, 1261734539), (19, 1062513296), (26, 776452024), (38, 531256648), (52, 388226012), (71, 284334544), (76, 265628324), (104, 194113006), (142, 142167272), (152, 132814162), (208, 97056503), (247, 81731792), (284, 71083636), (304, 66407081), (494, 40865896), (568, 35541818), (923, 21871888), (988, 20432948), (1136, 17770909), (1349, 14964976), (1846, 10935944), (1976, 10216474), (2698, 7482488), (3692, 5467972), (3952, 5108237), (5396, 3741244), (7384, 2733986), (10792, 1870622), (14768, 1366993), (17537, 1151152), (21584, 935311), (35074, 575576), (70148, 287788), (71947, 280592), (140296, 143894)]