20187075986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1\times {\mathrm{1109}}^1$

素因数の和:1572

約数の個数: 96

約数和(自身を含む): 40238121600

約数和(自身を除く): 20051045614

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 289, 374, 409, 578, 818, 1109, 1309, 2023, 2218, 2618, 2863, 3179, 4046, 4499, 5726, 6358, 6953, 7763, 8998, 12199, 13906, 15526, 18853, 22253, 24398, 31493, 37706, 44506, 48671, 62986, 76483, 85393, 97342, 118201, 131971, 152966, 170786, 207383, 236402, 263942, 320501, 414766, 453581, 535381, 641002, 827407, 907162, 1070762, 1300211, 1451681, 1654814, 2243507, 2600422, 2903362, 3175067, 3525511, 4487014, 4989391, 6350134, 7051022, 7710877, 9101477, 9978782, 15421754, 18202954, 24678577, 34925737, 49357154, 53976139, 69851474, 84819647, 107952278, 131084909, 169639294, 262169818, 593737529, 917594363, 1187475058, 1441933999, 1835188726, 2883867998, 10093537993, 20187075986]

約数ペア:

[(1, 20187075986), (2, 10093537993), (7, 2883867998), (11, 1835188726), (14, 1441933999), (17, 1187475058), (22, 917594363), (34, 593737529), (77, 262169818), (119, 169639294), (154, 131084909), (187, 107952278), (238, 84819647), (289, 69851474), (374, 53976139), (409, 49357154), (578, 34925737), (818, 24678577), (1109, 18202954), (1309, 15421754), (2023, 9978782), (2218, 9101477), (2618, 7710877), (2863, 7051022), (3179, 6350134), (4046, 4989391), (4499, 4487014), (5726, 3525511), (6358, 3175067), (6953, 2903362), (7763, 2600422), (8998, 2243507), (12199, 1654814), (13906, 1451681), (15526, 1300211), (18853, 1070762), (22253, 907162), (24398, 827407), (31493, 641002), (37706, 535381), (44506, 453581), (48671, 414766), (62986, 320501), (76483, 263942), (85393, 236402), (97342, 207383), (118201, 170786), (131971, 152966)]