20868078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2697

約数の個数: 64

約数和(自身を含む): 55116288

約数和(自身を除く): 34248210

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 2657, 3927, 5314, 7854, 7971, 15942, 18599, 29227, 37198, 45169, 55797, 58454, 87681, 90338, 111594, 135507, 175362, 204589, 271014, 316183, 409178, 496859, 613767, 632366, 948549, 993718, 1227534, 1490577, 1897098, 2981154, 3478013, 6956026, 10434039, 20868078]

約数ペア:

[(1, 20868078), (2, 10434039), (3, 6956026), (6, 3478013), (7, 2981154), (11, 1897098), (14, 1490577), (17, 1227534), (21, 993718), (22, 948549), (33, 632366), (34, 613767), (42, 496859), (51, 409178), (66, 316183), (77, 271014), (102, 204589), (119, 175362), (154, 135507), (187, 111594), (231, 90338), (238, 87681), (357, 58454), (374, 55797), (462, 45169), (561, 37198), (714, 29227), (1122, 18599), (1309, 15942), (2618, 7971), (2657, 7854), (3927, 5314)]