20107477940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{53231}}^1$

素因数の和:53369

約数の個数: 96

約数和(自身を含む): 49257911808

約数和(自身を除く): 29150433868

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 101, 110, 170, 187, 202, 220, 340, 374, 404, 505, 748, 935, 1010, 1111, 1717, 1870, 2020, 2222, 3434, 3740, 4444, 5555, 6868, 8585, 11110, 17170, 18887, 22220, 34340, 37774, 53231, 75548, 94435, 106462, 188870, 212924, 266155, 377740, 532310, 585541, 904927, 1064620, 1171082, 1809854, 2342164, 2927705, 3619708, 4524635, 5376331, 5855410, 9049270, 9954197, 10752662, 11710820, 18098540, 19908394, 21505324, 26881655, 39816788, 49770985, 53763310, 59139641, 91397627, 99541970, 107526620, 118279282, 182795254, 199083940, 236558564, 295698205, 365590508, 456988135, 591396410, 913976270, 1005373897, 1182792820, 1827952540, 2010747794, 4021495588, 5026869485, 10053738970, 20107477940]

約数ペア:

[(1, 20107477940), (2, 10053738970), (4, 5026869485), (5, 4021495588), (10, 2010747794), (11, 1827952540), (17, 1182792820), (20, 1005373897), (22, 913976270), (34, 591396410), (44, 456988135), (55, 365590508), (68, 295698205), (85, 236558564), (101, 199083940), (110, 182795254), (170, 118279282), (187, 107526620), (202, 99541970), (220, 91397627), (340, 59139641), (374, 53763310), (404, 49770985), (505, 39816788), (748, 26881655), (935, 21505324), (1010, 19908394), (1111, 18098540), (1717, 11710820), (1870, 10752662), (2020, 9954197), (2222, 9049270), (3434, 5855410), (3740, 5376331), (4444, 4524635), (5555, 3619708), (6868, 2927705), (8585, 2342164), (11110, 1809854), (17170, 1171082), (18887, 1064620), (22220, 904927), (34340, 585541), (37774, 532310), (53231, 377740), (75548, 266155), (94435, 212924), (106462, 188870)]