20235514468

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{1951}}^1$

素因数の和:2277

約数の個数: 72

約数和(自身を含む): 39108007680

約数和(自身を除く): 18872493212

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 229, 268, 338, 458, 676, 871, 916, 1742, 1951, 2977, 3484, 3902, 5954, 7804, 11323, 11908, 15343, 22646, 25363, 30686, 38701, 45292, 50726, 61372, 77402, 101452, 130717, 154804, 199459, 261434, 329719, 398918, 446779, 522868, 659438, 797836, 893558, 1318876, 1699321, 1787116, 2592967, 3398642, 5185934, 5808127, 6797284, 10371868, 11616254, 22091173, 23232508, 29934193, 44182346, 59868386, 75505651, 88364692, 119736772, 151011302, 302022604, 389144509, 778289018, 1556578036, 5058878617, 10117757234, 20235514468]

約数ペア:

[(1, 20235514468), (2, 10117757234), (4, 5058878617), (13, 1556578036), (26, 778289018), (52, 389144509), (67, 302022604), (134, 151011302), (169, 119736772), (229, 88364692), (268, 75505651), (338, 59868386), (458, 44182346), (676, 29934193), (871, 23232508), (916, 22091173), (1742, 11616254), (1951, 10371868), (2977, 6797284), (3484, 5808127), (3902, 5185934), (5954, 3398642), (7804, 2592967), (11323, 1787116), (11908, 1699321), (15343, 1318876), (22646, 893558), (25363, 797836), (30686, 659438), (38701, 522868), (45292, 446779), (50726, 398918), (61372, 329719), (77402, 261434), (101452, 199459), (130717, 154804)]