20853885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{467}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 36167040

約数和(自身を除く): 15313155

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 229, 467, 687, 1145, 1401, 2335, 2977, 3435, 6071, 7005, 8931, 14885, 18213, 30355, 44655, 91065, 106943, 320829, 534715, 1390259, 1604145, 4170777, 6951295, 20853885]

約数ペア:

[(1, 20853885), (3, 6951295), (5, 4170777), (13, 1604145), (15, 1390259), (39, 534715), (65, 320829), (195, 106943), (229, 91065), (467, 44655), (687, 30355), (1145, 18213), (1401, 14885), (2335, 8931), (2977, 7005), (3435, 6071)]