20168883670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{3659}}^1$

素因数の和:4177

約数の個数: 64

約数和(自身を含む): 39567528000

約数和(自身を除く): 19398644330

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 389, 545, 778, 1090, 1417, 1945, 2834, 3659, 3890, 5057, 7085, 7318, 10114, 14170, 18295, 25285, 36590, 42401, 47567, 50570, 84802, 95134, 212005, 237835, 398831, 424010, 475670, 551213, 797662, 1102426, 1423351, 1994155, 2756065, 2846702, 3988310, 5184803, 5512130, 7116755, 10369606, 14233510, 18503563, 25924015, 37007126, 51848030, 92517815, 155145259, 185035630, 310290518, 775726295, 1551452590, 2016888367, 4033776734, 10084441835, 20168883670]

約数ペア:

[(1, 20168883670), (2, 10084441835), (5, 4033776734), (10, 2016888367), (13, 1551452590), (26, 775726295), (65, 310290518), (109, 185035630), (130, 155145259), (218, 92517815), (389, 51848030), (545, 37007126), (778, 25924015), (1090, 18503563), (1417, 14233510), (1945, 10369606), (2834, 7116755), (3659, 5512130), (3890, 5184803), (5057, 3988310), (7085, 2846702), (7318, 2756065), (10114, 1994155), (14170, 1423351), (18295, 1102426), (25285, 797662), (36590, 551213), (42401, 475670), (47567, 424010), (50570, 398831), (84802, 237835), (95134, 212005)]