20163419680

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1\times {\mathrm{1801}}^1$

素因数の和:2402

約数の個数: 96

約数和(自身を含む): 48062367360

約数和(自身を除く): 27898947680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 419, 668, 835, 838, 1336, 1670, 1676, 1801, 2095, 2672, 3340, 3352, 3602, 4190, 5344, 6680, 6704, 7204, 8380, 9005, 13360, 13408, 14408, 16760, 18010, 26720, 28816, 33520, 36020, 57632, 67040, 69973, 72040, 139946, 144080, 279892, 288160, 300767, 349865, 559784, 601534, 699730, 754619, 1119568, 1203068, 1399460, 1503835, 1509238, 2239136, 2406136, 2798920, 3007670, 3018476, 3773095, 4812272, 5597840, 6015340, 6036952, 7546190, 9624544, 11195680, 12030680, 12073904, 15092380, 24061360, 24147808, 30184760, 48122720, 60369520, 120739040, 126021373, 252042746, 504085492, 630106865, 1008170984, 1260213730, 2016341968, 2520427460, 4032683936, 5040854920, 10081709840, 20163419680]

約数ペア:

[(1, 20163419680), (2, 10081709840), (4, 5040854920), (5, 4032683936), (8, 2520427460), (10, 2016341968), (16, 1260213730), (20, 1008170984), (32, 630106865), (40, 504085492), (80, 252042746), (160, 126021373), (167, 120739040), (334, 60369520), (419, 48122720), (668, 30184760), (835, 24147808), (838, 24061360), (1336, 15092380), (1670, 12073904), (1676, 12030680), (1801, 11195680), (2095, 9624544), (2672, 7546190), (3340, 6036952), (3352, 6015340), (3602, 5597840), (4190, 4812272), (5344, 3773095), (6680, 3018476), (6704, 3007670), (7204, 2798920), (8380, 2406136), (9005, 2239136), (13360, 1509238), (13408, 1503835), (14408, 1399460), (16760, 1203068), (18010, 1119568), (26720, 754619), (28816, 699730), (33520, 601534), (36020, 559784), (57632, 349865), (67040, 300767), (69973, 288160), (72040, 279892), (139946, 144080)]