19840020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 60092928

約数和(自身を除く): 40252908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 53, 60, 68, 85, 102, 106, 159, 170, 204, 212, 255, 265, 318, 340, 367, 510, 530, 636, 734, 795, 901, 1020, 1060, 1101, 1468, 1590, 1802, 1835, 2202, 2703, 3180, 3604, 3670, 4404, 4505, 5406, 5505, 6239, 7340, 9010, 10812, 11010, 12478, 13515, 18020, 18717, 19451, 22020, 24956, 27030, 31195, 37434, 38902, 54060, 58353, 62390, 74868, 77804, 93585, 97255, 116706, 124780, 187170, 194510, 233412, 291765, 330667, 374340, 389020, 583530, 661334, 992001, 1167060, 1322668, 1653335, 1984002, 3306670, 3968004, 4960005, 6613340, 9920010, 19840020]

約数ペア:

[(1, 19840020), (2, 9920010), (3, 6613340), (4, 4960005), (5, 3968004), (6, 3306670), (10, 1984002), (12, 1653335), (15, 1322668), (17, 1167060), (20, 992001), (30, 661334), (34, 583530), (51, 389020), (53, 374340), (60, 330667), (68, 291765), (85, 233412), (102, 194510), (106, 187170), (159, 124780), (170, 116706), (204, 97255), (212, 93585), (255, 77804), (265, 74868), (318, 62390), (340, 58353), (367, 54060), (510, 38902), (530, 37434), (636, 31195), (734, 27030), (795, 24956), (901, 22020), (1020, 19451), (1060, 18717), (1101, 18020), (1468, 13515), (1590, 12478), (1802, 11010), (1835, 10812), (2202, 9010), (2703, 7340), (3180, 6239), (3604, 5505), (3670, 5406), (4404, 4505)]