20189558454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{118571}}^1$

素因数の和:118685

約数の個数: 64

約数和(自身を含む): 45417818880

約数和(自身を除く): 25228260426

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 59, 74, 78, 111, 118, 177, 222, 354, 481, 767, 962, 1443, 1534, 2183, 2301, 2886, 4366, 4602, 6549, 13098, 28379, 56758, 85137, 118571, 170274, 237142, 355713, 711426, 1541423, 3082846, 4387127, 4624269, 6995689, 8774254, 9248538, 13161381, 13991378, 20987067, 26322762, 41974134, 57032651, 90943957, 114065302, 171097953, 181887914, 258840493, 272831871, 342195906, 517680986, 545663742, 776521479, 1553042958, 3364926409, 6729852818, 10094779227, 20189558454]

約数ペア:

[(1, 20189558454), (2, 10094779227), (3, 6729852818), (6, 3364926409), (13, 1553042958), (26, 776521479), (37, 545663742), (39, 517680986), (59, 342195906), (74, 272831871), (78, 258840493), (111, 181887914), (118, 171097953), (177, 114065302), (222, 90943957), (354, 57032651), (481, 41974134), (767, 26322762), (962, 20987067), (1443, 13991378), (1534, 13161381), (2183, 9248538), (2301, 8774254), (2886, 6995689), (4366, 4624269), (4602, 4387127), (6549, 3082846), (13098, 1541423), (28379, 711426), (56758, 355713), (85137, 237142), (118571, 170274)]