20038860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:924

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 43828020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 863, 1161, 1290, 1548, 1726, 1935, 2322, 2580, 2589, 3452, 3870, 4315, 4644, 5178, 5805, 7740, 7767, 8630, 10356, 11610, 12945, 15534, 17260, 23220, 23301, 25890, 31068, 37109, 38835, 46602, 51780, 74218, 77670, 93204, 111327, 116505, 148436, 155340, 185545, 222654, 233010, 333981, 371090, 445308, 466020, 556635, 667962, 742180, 1001943, 1113270, 1335924, 1669905, 2003886, 2226540, 3339810, 4007772, 5009715, 6679620, 10019430, 20038860]

約数ペア:

[(1, 20038860), (2, 10019430), (3, 6679620), (4, 5009715), (5, 4007772), (6, 3339810), (9, 2226540), (10, 2003886), (12, 1669905), (15, 1335924), (18, 1113270), (20, 1001943), (27, 742180), (30, 667962), (36, 556635), (43, 466020), (45, 445308), (54, 371090), (60, 333981), (86, 233010), (90, 222654), (108, 185545), (129, 155340), (135, 148436), (172, 116505), (180, 111327), (215, 93204), (258, 77670), (270, 74218), (387, 51780), (430, 46602), (516, 38835), (540, 37109), (645, 31068), (774, 25890), (860, 23301), (863, 23220), (1161, 17260), (1290, 15534), (1548, 12945), (1726, 11610), (1935, 10356), (2322, 8630), (2580, 7767), (2589, 7740), (3452, 5805), (3870, 5178), (4315, 4644)]