20179075888

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{269}}^1\times {\mathrm{16223}}^1$

素因数の和:16534

約数の個数: 60

約数和(自身を含む): 41689028160

約数和(自身を除く): 21509952272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 269, 272, 289, 538, 578, 1076, 1156, 2152, 2312, 4304, 4573, 4624, 9146, 16223, 18292, 32446, 36584, 64892, 73168, 77741, 129784, 155482, 259568, 275791, 310964, 551582, 621928, 1103164, 1243856, 2206328, 4363987, 4412656, 4688447, 8727974, 9376894, 17455948, 18753788, 34911896, 37507576, 69823792, 74187779, 75015152, 148375558, 296751116, 593502232, 1187004464, 1261192243, 2522384486, 5044768972, 10089537944, 20179075888]

約数ペア:

[(1, 20179075888), (2, 10089537944), (4, 5044768972), (8, 2522384486), (16, 1261192243), (17, 1187004464), (34, 593502232), (68, 296751116), (136, 148375558), (269, 75015152), (272, 74187779), (289, 69823792), (538, 37507576), (578, 34911896), (1076, 18753788), (1156, 17455948), (2152, 9376894), (2312, 8727974), (4304, 4688447), (4573, 4412656), (4624, 4363987), (9146, 2206328), (16223, 1243856), (18292, 1103164), (32446, 621928), (36584, 551582), (64892, 310964), (73168, 275791), (77741, 259568), (129784, 155482)]