20173450612

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{158243}}^1$

素因数の和:158440

約数の個数: 48

約数和(自身を含む): 42004287360

約数和(自身を除く): 21830836748

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 157, 203, 314, 406, 628, 812, 1099, 2198, 4396, 4553, 9106, 18212, 31871, 63742, 127484, 158243, 316486, 632972, 1107701, 2215402, 4430804, 4589047, 9178094, 18356188, 24844151, 32123329, 49688302, 64246658, 99376604, 128493316, 173909057, 347818114, 695636228, 720480379, 1440960758, 2881921516, 5043362653, 10086725306, 20173450612]

約数ペア:

[(1, 20173450612), (2, 10086725306), (4, 5043362653), (7, 2881921516), (14, 1440960758), (28, 720480379), (29, 695636228), (58, 347818114), (116, 173909057), (157, 128493316), (203, 99376604), (314, 64246658), (406, 49688302), (628, 32123329), (812, 24844151), (1099, 18356188), (2198, 9178094), (4396, 4589047), (4553, 4430804), (9106, 2215402), (18212, 1107701), (31871, 632972), (63742, 316486), (127484, 158243)]