20175892180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{2153}}^1$

素因数の和:2449

約数の個数: 96

約数和(自身を含む): 44553680640

約数和(自身を除く): 24377788460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 151, 214, 290, 302, 428, 535, 580, 604, 755, 1070, 1510, 2140, 2153, 3020, 3103, 4306, 4379, 6206, 8612, 8758, 10765, 12412, 15515, 16157, 17516, 21530, 21895, 31030, 32314, 43060, 43790, 62060, 62437, 64628, 80785, 87580, 124874, 161570, 230371, 249748, 312185, 323140, 325103, 460742, 468553, 624370, 650206, 921484, 937106, 1151855, 1248740, 1300412, 1625515, 1874212, 2303710, 2342765, 3251030, 4607420, 4685530, 6502060, 6680759, 9371060, 9427987, 13361518, 18855974, 26723036, 33403795, 34786021, 37711948, 47139935, 66807590, 69572042, 94279870, 133615180, 139144084, 173930105, 188559740, 347860210, 695720420, 1008794609, 2017589218, 4035178436, 5043973045, 10087946090, 20175892180]

約数ペア:

[(1, 20175892180), (2, 10087946090), (4, 5043973045), (5, 4035178436), (10, 2017589218), (20, 1008794609), (29, 695720420), (58, 347860210), (107, 188559740), (116, 173930105), (145, 139144084), (151, 133615180), (214, 94279870), (290, 69572042), (302, 66807590), (428, 47139935), (535, 37711948), (580, 34786021), (604, 33403795), (755, 26723036), (1070, 18855974), (1510, 13361518), (2140, 9427987), (2153, 9371060), (3020, 6680759), (3103, 6502060), (4306, 4685530), (4379, 4607420), (6206, 3251030), (8612, 2342765), (8758, 2303710), (10765, 1874212), (12412, 1625515), (15515, 1300412), (16157, 1248740), (17516, 1151855), (21530, 937106), (21895, 921484), (31030, 650206), (32314, 624370), (43060, 468553), (43790, 460742), (62060, 325103), (62437, 323140), (64628, 312185), (80785, 249748), (87580, 230371), (124874, 161570)]