20472396

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 57130416

約数和(自身を除く): 36658020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 941, 1036, 1554, 1813, 1882, 2823, 3108, 3626, 3764, 5439, 5646, 6587, 7252, 10878, 11292, 13174, 19761, 21756, 26348, 34817, 39522, 46109, 69634, 79044, 92218, 104451, 138327, 139268, 184436, 208902, 243719, 276654, 417804, 487438, 553308, 731157, 974876, 1462314, 1706033, 2924628, 3412066, 5118099, 6824132, 10236198, 20472396]

約数ペア:

[(1, 20472396), (2, 10236198), (3, 6824132), (4, 5118099), (6, 3412066), (7, 2924628), (12, 1706033), (14, 1462314), (21, 974876), (28, 731157), (37, 553308), (42, 487438), (49, 417804), (74, 276654), (84, 243719), (98, 208902), (111, 184436), (147, 139268), (148, 138327), (196, 104451), (222, 92218), (259, 79044), (294, 69634), (444, 46109), (518, 39522), (588, 34817), (777, 26348), (941, 21756), (1036, 19761), (1554, 13174), (1813, 11292), (1882, 10878), (2823, 7252), (3108, 6587), (3626, 5646), (3764, 5439)]