20846916

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 56142240

約数和(自身を除く): 35295324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 67, 86, 108, 129, 134, 172, 201, 258, 268, 387, 402, 516, 603, 774, 804, 1161, 1206, 1548, 1809, 2322, 2412, 2881, 3618, 4489, 4644, 5762, 7236, 8643, 8978, 11524, 13467, 17286, 17956, 25929, 26934, 34572, 40401, 51858, 53868, 77787, 80802, 103716, 121203, 155574, 161604, 193027, 242406, 311148, 386054, 484812, 579081, 772108, 1158162, 1737243, 2316324, 3474486, 5211729, 6948972, 10423458, 20846916]

約数ペア:

[(1, 20846916), (2, 10423458), (3, 6948972), (4, 5211729), (6, 3474486), (9, 2316324), (12, 1737243), (18, 1158162), (27, 772108), (36, 579081), (43, 484812), (54, 386054), (67, 311148), (86, 242406), (108, 193027), (129, 161604), (134, 155574), (172, 121203), (201, 103716), (258, 80802), (268, 77787), (387, 53868), (402, 51858), (516, 40401), (603, 34572), (774, 26934), (804, 25929), (1161, 17956), (1206, 17286), (1548, 13467), (1809, 11524), (2322, 8978), (2412, 8643), (2881, 7236), (3618, 5762), (4489, 4644)]