20961096

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 59458560

約数和(自身を除く): 38497464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 127, 138, 156, 184, 254, 276, 299, 312, 381, 508, 529, 552, 598, 762, 897, 1016, 1058, 1196, 1524, 1587, 1651, 1794, 2116, 2392, 2921, 3048, 3174, 3302, 3588, 4232, 4953, 5842, 6348, 6604, 6877, 7176, 8763, 9906, 11684, 12696, 13208, 13754, 17526, 19812, 20631, 23368, 27508, 35052, 37973, 39624, 41262, 55016, 67183, 70104, 75946, 82524, 113919, 134366, 151892, 165048, 201549, 227838, 268732, 303784, 403098, 455676, 537464, 806196, 873379, 911352, 1612392, 1746758, 2620137, 3493516, 5240274, 6987032, 10480548, 20961096]

約数ペア:

[(1, 20961096), (2, 10480548), (3, 6987032), (4, 5240274), (6, 3493516), (8, 2620137), (12, 1746758), (13, 1612392), (23, 911352), (24, 873379), (26, 806196), (39, 537464), (46, 455676), (52, 403098), (69, 303784), (78, 268732), (92, 227838), (104, 201549), (127, 165048), (138, 151892), (156, 134366), (184, 113919), (254, 82524), (276, 75946), (299, 70104), (312, 67183), (381, 55016), (508, 41262), (529, 39624), (552, 37973), (598, 35052), (762, 27508), (897, 23368), (1016, 20631), (1058, 19812), (1196, 17526), (1524, 13754), (1587, 13208), (1651, 12696), (1794, 11684), (2116, 9906), (2392, 8763), (2921, 7176), (3048, 6877), (3174, 6604), (3302, 6348), (3588, 5842), (4232, 4953)]