20172649676

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{4549}}^1$

素因数の和:4711

約数の個数: 72

約数和(自身を含む): 38734441200

約数和(自身を除く): 18561791524

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 83, 148, 166, 332, 361, 703, 722, 1406, 1444, 1577, 2812, 3071, 3154, 4549, 6142, 6308, 9098, 12284, 13357, 18196, 26714, 29963, 53428, 58349, 59926, 86431, 116698, 119852, 168313, 172862, 233396, 336626, 345724, 377567, 673252, 755134, 1108631, 1510268, 1642189, 2217262, 3197947, 3284378, 4434524, 6395894, 6568756, 7173773, 12791788, 13969979, 14347546, 27939958, 28695092, 55879916, 60760993, 121521986, 136301687, 243043972, 265429601, 272603374, 530859202, 545206748, 1061718404, 5043162419, 10086324838, 20172649676]

約数ペア:

[(1, 20172649676), (2, 10086324838), (4, 5043162419), (19, 1061718404), (37, 545206748), (38, 530859202), (74, 272603374), (76, 265429601), (83, 243043972), (148, 136301687), (166, 121521986), (332, 60760993), (361, 55879916), (703, 28695092), (722, 27939958), (1406, 14347546), (1444, 13969979), (1577, 12791788), (2812, 7173773), (3071, 6568756), (3154, 6395894), (4549, 4434524), (6142, 3284378), (6308, 3197947), (9098, 2217262), (12284, 1642189), (13357, 1510268), (18196, 1108631), (26714, 755134), (29963, 673252), (53428, 377567), (58349, 345724), (59926, 336626), (86431, 233396), (116698, 172862), (119852, 168313)]