20009730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51307}}^1$

素因数の和:51330

約数の個数: 32

約数和(自身を含む): 51718464

約数和(自身を除く): 31708734

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51307, 102614, 153921, 256535, 307842, 513070, 666991, 769605, 1333982, 1539210, 2000973, 3334955, 4001946, 6669910, 10004865, 20009730]

約数ペア:

[(1, 20009730), (2, 10004865), (3, 6669910), (5, 4001946), (6, 3334955), (10, 2000973), (13, 1539210), (15, 1333982), (26, 769605), (30, 666991), (39, 513070), (65, 307842), (78, 256535), (130, 153921), (195, 102614), (390, 51307)]