20945535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{461}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 36324288

約数和(自身を除く): 15378753

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 233, 461, 699, 1165, 1383, 2305, 3029, 3495, 5993, 6915, 9087, 15145, 17979, 29965, 45435, 89895, 107413, 322239, 537065, 1396369, 1611195, 4189107, 6981845, 20945535]

約数ペア:

[(1, 20945535), (3, 6981845), (5, 4189107), (13, 1611195), (15, 1396369), (39, 537065), (65, 322239), (195, 107413), (233, 89895), (461, 45435), (699, 29965), (1165, 17979), (1383, 15145), (2305, 9087), (3029, 6915), (3495, 5993)]