20440065

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 13474815

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 367, 395, 705, 1101, 1185, 1835, 3713, 5505, 11139, 17249, 18565, 28993, 51747, 55695, 86245, 86979, 144965, 258735, 434895, 1362671, 4088013, 6813355, 20440065]

約数ペア:

[(1, 20440065), (3, 6813355), (5, 4088013), (15, 1362671), (47, 434895), (79, 258735), (141, 144965), (235, 86979), (237, 86245), (367, 55695), (395, 51747), (705, 28993), (1101, 18565), (1185, 17249), (1835, 11139), (3713, 5505)]