20115378

素因数分解:

$2^1\times 3^4\times {\mathrm{227}}^1\times {\mathrm{547}}^1$

素因数の和:788

約数の個数: 40

約数和(自身を含む): 45354672

約数和(自身を除く): 25239294

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 227, 454, 547, 681, 1094, 1362, 1641, 2043, 3282, 4086, 4923, 6129, 9846, 12258, 14769, 18387, 29538, 36774, 44307, 88614, 124169, 248338, 372507, 745014, 1117521, 2235042, 3352563, 6705126, 10057689, 20115378]

約数ペア:

[(1, 20115378), (2, 10057689), (3, 6705126), (6, 3352563), (9, 2235042), (18, 1117521), (27, 745014), (54, 372507), (81, 248338), (162, 124169), (227, 88614), (454, 44307), (547, 36774), (681, 29538), (1094, 18387), (1362, 14769), (1641, 12258), (2043, 9846), (3282, 6129), (4086, 4923)]