20561285856

素因数分解:

$2^5\times 3^1\times {\mathrm{151}}^1\times {\mathrm{1109}}^1\times {\mathrm{1279}}^1$

素因数の和:2552

約数の個数: 96

約数和(自身を含む): 54422323200

約数和(自身を除く): 33861037344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 151, 302, 453, 604, 906, 1109, 1208, 1279, 1812, 2218, 2416, 2558, 3327, 3624, 3837, 4436, 4832, 5116, 6654, 7248, 7674, 8872, 10232, 13308, 14496, 15348, 17744, 20464, 26616, 30696, 35488, 40928, 53232, 61392, 106464, 122784, 167459, 193129, 334918, 386258, 502377, 579387, 669836, 772516, 1004754, 1158774, 1339672, 1418411, 1545032, 2009508, 2317548, 2679344, 2836822, 3090064, 4019016, 4255233, 4635096, 5358688, 5673644, 6180128, 8038032, 8510466, 9270192, 11347288, 16076064, 17020932, 18540384, 22694576, 34041864, 45389152, 68083728, 136167456, 214180061, 428360122, 642540183, 856720244, 1285080366, 1713440488, 2570160732, 3426880976, 5140321464, 6853761952, 10280642928, 20561285856]

約数ペア:

[(1, 20561285856), (2, 10280642928), (3, 6853761952), (4, 5140321464), (6, 3426880976), (8, 2570160732), (12, 1713440488), (16, 1285080366), (24, 856720244), (32, 642540183), (48, 428360122), (96, 214180061), (151, 136167456), (302, 68083728), (453, 45389152), (604, 34041864), (906, 22694576), (1109, 18540384), (1208, 17020932), (1279, 16076064), (1812, 11347288), (2218, 9270192), (2416, 8510466), (2558, 8038032), (3327, 6180128), (3624, 5673644), (3837, 5358688), (4436, 4635096), (4832, 4255233), (5116, 4019016), (6654, 3090064), (7248, 2836822), (7674, 2679344), (8872, 2317548), (10232, 2009508), (13308, 1545032), (14496, 1418411), (15348, 1339672), (17744, 1158774), (20464, 1004754), (26616, 772516), (30696, 669836), (35488, 579387), (40928, 502377), (53232, 386258), (61392, 334918), (106464, 193129), (122784, 167459)]