20011848

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 51874560

約数和(自身を除く): 31862712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 113, 141, 157, 188, 226, 282, 314, 339, 376, 452, 471, 564, 628, 678, 904, 942, 1128, 1256, 1356, 1884, 2712, 3768, 5311, 7379, 10622, 14758, 15933, 17741, 21244, 22137, 29516, 31866, 35482, 42488, 44274, 53223, 59032, 63732, 70964, 88548, 106446, 127464, 141928, 177096, 212892, 425784, 833827, 1667654, 2501481, 3335308, 5002962, 6670616, 10005924, 20011848]

約数ペア:

[(1, 20011848), (2, 10005924), (3, 6670616), (4, 5002962), (6, 3335308), (8, 2501481), (12, 1667654), (24, 833827), (47, 425784), (94, 212892), (113, 177096), (141, 141928), (157, 127464), (188, 106446), (226, 88548), (282, 70964), (314, 63732), (339, 59032), (376, 53223), (452, 44274), (471, 42488), (564, 35482), (628, 31866), (678, 29516), (904, 22137), (942, 21244), (1128, 17741), (1256, 15933), (1356, 14758), (1884, 10622), (2712, 7379), (3768, 5311)]