20175571268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 38635833600

約数和(自身を除く): 18460262332

約数列:

[1, 2, 4, 19, 38, 53, 76, 89, 106, 167, 178, 212, 334, 337, 356, 668, 674, 1007, 1348, 1691, 2014, 3173, 3382, 4028, 4717, 6346, 6403, 6764, 8851, 9434, 12692, 12806, 14863, 17702, 17861, 18868, 25612, 29726, 29993, 35404, 35722, 56279, 59452, 59986, 71444, 89623, 112558, 119972, 168169, 179246, 225116, 282397, 336338, 339359, 358492, 564794, 569867, 672676, 678718, 787739, 1069301, 1129588, 1139734, 1357436, 1575478, 1589629, 2138602, 2279468, 2982787, 3150956, 3179258, 4277204, 5008831, 5965574, 6358516, 10017662, 11931148, 14967041, 20035324, 29934082, 30202951, 56672953, 59868164, 60405902, 95167789, 113345906, 120811804, 190335578, 226691812, 265468043, 380671156, 530936086, 1061872172, 5043892817, 10087785634, 20175571268]

約数ペア:

[(1, 20175571268), (2, 10087785634), (4, 5043892817), (19, 1061872172), (38, 530936086), (53, 380671156), (76, 265468043), (89, 226691812), (106, 190335578), (167, 120811804), (178, 113345906), (212, 95167789), (334, 60405902), (337, 59868164), (356, 56672953), (668, 30202951), (674, 29934082), (1007, 20035324), (1348, 14967041), (1691, 11931148), (2014, 10017662), (3173, 6358516), (3382, 5965574), (4028, 5008831), (4717, 4277204), (6346, 3179258), (6403, 3150956), (6764, 2982787), (8851, 2279468), (9434, 2138602), (12692, 1589629), (12806, 1575478), (14863, 1357436), (17702, 1139734), (17861, 1129588), (18868, 1069301), (25612, 787739), (29726, 678718), (29993, 672676), (35404, 569867), (35722, 564794), (56279, 358492), (59452, 339359), (59986, 336338), (71444, 282397), (89623, 225116), (112558, 179246), (119972, 168169)]