20401370272

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{1879}}^1\times {\mathrm{2441}}^1$

素因数の和:4469

約数の個数: 48

約数和(自身を含む): 40492267200

約数和(自身を除く): 20090896928

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 1879, 2224, 2441, 3758, 4448, 4882, 7516, 9764, 15032, 19528, 30064, 39056, 60128, 78112, 261181, 339299, 522362, 678598, 1044724, 1357196, 2089448, 2714392, 4178896, 4586639, 5428784, 8357792, 9173278, 10857568, 18346556, 36693112, 73386224, 146772448, 637542821, 1275085642, 2550171284, 5100342568, 10200685136, 20401370272]

約数ペア:

[(1, 20401370272), (2, 10200685136), (4, 5100342568), (8, 2550171284), (16, 1275085642), (32, 637542821), (139, 146772448), (278, 73386224), (556, 36693112), (1112, 18346556), (1879, 10857568), (2224, 9173278), (2441, 8357792), (3758, 5428784), (4448, 4586639), (4882, 4178896), (7516, 2714392), (9764, 2089448), (15032, 1357196), (19528, 1044724), (30064, 678598), (39056, 522362), (60128, 339299), (78112, 261181)]