20260995

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 14022525

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 991, 1363, 2973, 4089, 4955, 6815, 14865, 20445, 28739, 46577, 86217, 139731, 143695, 232885, 431085, 698655, 1350733, 4052199, 6753665, 20260995]

約数ペア:

[(1, 20260995), (3, 6753665), (5, 4052199), (15, 1350733), (29, 698655), (47, 431085), (87, 232885), (141, 143695), (145, 139731), (235, 86217), (435, 46577), (705, 28739), (991, 20445), (1363, 14865), (2973, 6815), (4089, 4955)]