20479365

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5231}}^1$

素因数の和:5274

約数の個数: 32

約数和(自身を含む): 37670400

約数和(自身を除く): 17191035

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5231, 15693, 26155, 47079, 78465, 141237, 151699, 235395, 455097, 706185, 758495, 1365291, 2275485, 4095873, 6826455, 20479365]

約数ペア:

[(1, 20479365), (3, 6826455), (5, 4095873), (9, 2275485), (15, 1365291), (27, 758495), (29, 706185), (45, 455097), (87, 235395), (135, 151699), (145, 141237), (261, 78465), (435, 47079), (783, 26155), (1305, 15693), (3915, 5231)]