20218183708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{38261}}^1$

素因数の和:38710

約数の個数: 48

約数和(自身を含む): 39532298400

約数和(自身を除く): 19314114692

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 409, 646, 818, 1292, 1636, 6953, 7771, 13906, 15542, 27812, 31084, 38261, 76522, 132107, 153044, 264214, 528428, 650437, 726959, 1300874, 1453918, 2601748, 2907836, 12358303, 15648749, 24716606, 31297498, 49433212, 62594996, 266028733, 297326231, 532057466, 594652462, 1064114932, 1189304924, 5054545927, 10109091854, 20218183708]

約数ペア:

[(1, 20218183708), (2, 10109091854), (4, 5054545927), (17, 1189304924), (19, 1064114932), (34, 594652462), (38, 532057466), (68, 297326231), (76, 266028733), (323, 62594996), (409, 49433212), (646, 31297498), (818, 24716606), (1292, 15648749), (1636, 12358303), (6953, 2907836), (7771, 2601748), (13906, 1453918), (15542, 1300874), (27812, 726959), (31084, 650437), (38261, 528428), (76522, 264214), (132107, 153044)]