20130397740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{304729}}^1$

素因数の和:305111

約数の個数: 72

約数和(自身を含む): 61228789440

約数和(自身を除く): 41098391700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 734, 1101, 1468, 1835, 2202, 3303, 3670, 4404, 5505, 6606, 7340, 11010, 13212, 16515, 22020, 33030, 66060, 304729, 609458, 914187, 1218916, 1523645, 1828374, 2742561, 3047290, 3656748, 4570935, 5485122, 6094580, 9141870, 10970244, 13712805, 18283740, 27425610, 54851220, 111835543, 223671086, 335506629, 447342172, 559177715, 671013258, 1006519887, 1118355430, 1342026516, 1677533145, 2013039774, 2236710860, 3355066290, 4026079548, 5032599435, 6710132580, 10065198870, 20130397740]

約数ペア:

[(1, 20130397740), (2, 10065198870), (3, 6710132580), (4, 5032599435), (5, 4026079548), (6, 3355066290), (9, 2236710860), (10, 2013039774), (12, 1677533145), (15, 1342026516), (18, 1118355430), (20, 1006519887), (30, 671013258), (36, 559177715), (45, 447342172), (60, 335506629), (90, 223671086), (180, 111835543), (367, 54851220), (734, 27425610), (1101, 18283740), (1468, 13712805), (1835, 10970244), (2202, 9141870), (3303, 6094580), (3670, 5485122), (4404, 4570935), (5505, 3656748), (6606, 3047290), (7340, 2742561), (11010, 1828374), (13212, 1523645), (16515, 1218916), (22020, 914187), (33030, 609458), (66060, 304729)]