20139033369

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 33880896000

約数和(自身を除く): 13741862631

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 449, 479, 637, 1029, 1347, 1437, 1911, 2401, 3143, 3353, 4459, 5837, 6227, 7203, 9429, 10059, 13377, 17511, 18681, 22001, 23471, 31213, 40859, 43589, 66003, 70413, 93639, 122577, 130767, 154007, 164297, 215071, 286013, 305123, 462021, 492891, 645213, 858039, 915369, 1078049, 1150079, 1505497, 2002091, 2135861, 2795923, 3234147, 3450237, 4516491, 6006273, 6407583, 8387769, 10538479, 14014637, 14951027, 19571461, 31615437, 42043911, 44853081, 58714383, 73769353, 137000227, 221308059, 411000681, 516385471, 959001589, 1549156413, 2877004767, 6713011123, 20139033369]

約数ペア:

[(1, 20139033369), (3, 6713011123), (7, 2877004767), (13, 1549156413), (21, 959001589), (39, 516385471), (49, 411000681), (91, 221308059), (147, 137000227), (273, 73769353), (343, 58714383), (449, 44853081), (479, 42043911), (637, 31615437), (1029, 19571461), (1347, 14951027), (1437, 14014637), (1911, 10538479), (2401, 8387769), (3143, 6407583), (3353, 6006273), (4459, 4516491), (5837, 3450237), (6227, 3234147), (7203, 2795923), (9429, 2135861), (10059, 2002091), (13377, 1505497), (17511, 1150079), (18681, 1078049), (22001, 915369), (23471, 858039), (31213, 645213), (40859, 492891), (43589, 462021), (66003, 305123), (70413, 286013), (93639, 215071), (122577, 164297), (130767, 154007)]