20897304

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 54419040

約数和(自身を除く): 33521736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 101, 111, 148, 202, 222, 233, 296, 303, 404, 444, 466, 606, 699, 808, 888, 932, 1212, 1398, 1864, 2424, 2796, 3737, 5592, 7474, 8621, 11211, 14948, 17242, 22422, 23533, 25863, 29896, 34484, 44844, 47066, 51726, 68968, 70599, 89688, 94132, 103452, 141198, 188264, 206904, 282396, 564792, 870721, 1741442, 2612163, 3482884, 5224326, 6965768, 10448652, 20897304]

約数ペア:

[(1, 20897304), (2, 10448652), (3, 6965768), (4, 5224326), (6, 3482884), (8, 2612163), (12, 1741442), (24, 870721), (37, 564792), (74, 282396), (101, 206904), (111, 188264), (148, 141198), (202, 103452), (222, 94132), (233, 89688), (296, 70599), (303, 68968), (404, 51726), (444, 47066), (466, 44844), (606, 34484), (699, 29896), (808, 25863), (888, 23533), (932, 22422), (1212, 17242), (1398, 14948), (1864, 11211), (2424, 8621), (2796, 7474), (3737, 5592)]