20376075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 36108800

約数和(自身を除く): 15732725

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 79, 95, 181, 237, 285, 395, 475, 543, 905, 1185, 1425, 1501, 1975, 2715, 3439, 4503, 4525, 5925, 7505, 10317, 13575, 14299, 17195, 22515, 37525, 42897, 51585, 71495, 85975, 112575, 214485, 257925, 271681, 357475, 815043, 1072425, 1358405, 4075215, 6792025, 20376075]

約数ペア:

[(1, 20376075), (3, 6792025), (5, 4075215), (15, 1358405), (19, 1072425), (25, 815043), (57, 357475), (75, 271681), (79, 257925), (95, 214485), (181, 112575), (237, 85975), (285, 71495), (395, 51585), (475, 42897), (543, 37525), (905, 22515), (1185, 17195), (1425, 14299), (1501, 13575), (1975, 10317), (2715, 7505), (3439, 5925), (4503, 4525)]