20199063710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3181}}^1\times {\mathrm{12959}}^1$

素因数の和:16161

約数の個数: 48

約数和(自身を含む): 42310926720

約数和(自身を除く): 22111863010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3181, 6362, 12959, 15905, 22267, 25918, 31810, 44534, 64795, 90713, 111335, 129590, 155869, 181426, 222670, 311738, 453565, 634991, 779345, 907130, 1269982, 1558690, 3174955, 6349910, 41222579, 82445158, 206112895, 288558053, 412225790, 577116106, 1442790265, 2019906371, 2885580530, 4039812742, 10099531855, 20199063710]

約数ペア:

[(1, 20199063710), (2, 10099531855), (5, 4039812742), (7, 2885580530), (10, 2019906371), (14, 1442790265), (35, 577116106), (49, 412225790), (70, 288558053), (98, 206112895), (245, 82445158), (490, 41222579), (3181, 6349910), (6362, 3174955), (12959, 1558690), (15905, 1269982), (22267, 907130), (25918, 779345), (31810, 634991), (44534, 453565), (64795, 311738), (90713, 222670), (111335, 181426), (129590, 155869)]