20470680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 67307760

約数和(自身を除く): 46837080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 505, 563, 606, 808, 909, 1010, 1126, 1212, 1515, 1689, 1818, 2020, 2252, 2424, 2815, 3030, 3378, 3636, 4040, 4504, 4545, 5067, 5630, 6060, 6756, 7272, 8445, 9090, 10134, 11260, 12120, 13512, 16890, 18180, 20268, 22520, 25335, 33780, 36360, 40536, 50670, 56863, 67560, 101340, 113726, 170589, 202680, 227452, 284315, 341178, 454904, 511767, 568630, 682356, 852945, 1023534, 1137260, 1364712, 1705890, 2047068, 2274520, 2558835, 3411780, 4094136, 5117670, 6823560, 10235340, 20470680]

約数ペア:

[(1, 20470680), (2, 10235340), (3, 6823560), (4, 5117670), (5, 4094136), (6, 3411780), (8, 2558835), (9, 2274520), (10, 2047068), (12, 1705890), (15, 1364712), (18, 1137260), (20, 1023534), (24, 852945), (30, 682356), (36, 568630), (40, 511767), (45, 454904), (60, 341178), (72, 284315), (90, 227452), (101, 202680), (120, 170589), (180, 113726), (202, 101340), (303, 67560), (360, 56863), (404, 50670), (505, 40536), (563, 36360), (606, 33780), (808, 25335), (909, 22520), (1010, 20268), (1126, 18180), (1212, 16890), (1515, 13512), (1689, 12120), (1818, 11260), (2020, 10134), (2252, 9090), (2424, 8445), (2815, 7272), (3030, 6756), (3378, 6060), (3636, 5630), (4040, 5067), (4504, 4545)]