20968276

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 27415724

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 31, 34, 49, 58, 62, 68, 98, 116, 119, 124, 196, 203, 217, 238, 343, 406, 434, 476, 493, 527, 686, 812, 833, 868, 899, 986, 1054, 1372, 1421, 1519, 1666, 1798, 1972, 2108, 2842, 3038, 3332, 3451, 3596, 3689, 5684, 5831, 6076, 6293, 6902, 7378, 9947, 10633, 11662, 12586, 13804, 14756, 15283, 19894, 21266, 23324, 24157, 25172, 25823, 30566, 39788, 42532, 44051, 48314, 51646, 61132, 88102, 96628, 103292, 106981, 169099, 176204, 180761, 213962, 308357, 338198, 361522, 427924, 616714, 676396, 723044, 748867, 1233428, 1497734, 2995468, 5242069, 10484138, 20968276]

約数ペア:

[(1, 20968276), (2, 10484138), (4, 5242069), (7, 2995468), (14, 1497734), (17, 1233428), (28, 748867), (29, 723044), (31, 676396), (34, 616714), (49, 427924), (58, 361522), (62, 338198), (68, 308357), (98, 213962), (116, 180761), (119, 176204), (124, 169099), (196, 106981), (203, 103292), (217, 96628), (238, 88102), (343, 61132), (406, 51646), (434, 48314), (476, 44051), (493, 42532), (527, 39788), (686, 30566), (812, 25823), (833, 25172), (868, 24157), (899, 23324), (986, 21266), (1054, 19894), (1372, 15283), (1421, 14756), (1519, 13804), (1666, 12586), (1798, 11662), (1972, 10633), (2108, 9947), (2842, 7378), (3038, 6902), (3332, 6293), (3451, 6076), (3596, 5831), (3689, 5684)]