20924535

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 36605952

約数和(自身を除く): 15681417

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 2647, 7905, 7941, 13235, 39705, 44999, 82057, 134997, 224995, 246171, 410285, 674985, 1230855, 1394969, 4184907, 6974845, 20924535]

約数ペア:

[(1, 20924535), (3, 6974845), (5, 4184907), (15, 1394969), (17, 1230855), (31, 674985), (51, 410285), (85, 246171), (93, 224995), (155, 134997), (255, 82057), (465, 44999), (527, 39705), (1581, 13235), (2635, 7941), (2647, 7905)]