20211886540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1051607}}^1$

素因数の和:1051678

約数の個数: 36

約数和(自身を含む): 43858363248

約数和(自身を除く): 23646476708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 19220, 1051607, 2103214, 4206428, 5258035, 10516070, 21032140, 32599817, 65199634, 130399268, 162999085, 325998170, 651996340, 1010594327, 2021188654, 4042377308, 5052971635, 10105943270, 20211886540]

約数ペア:

[(1, 20211886540), (2, 10105943270), (4, 5052971635), (5, 4042377308), (10, 2021188654), (20, 1010594327), (31, 651996340), (62, 325998170), (124, 162999085), (155, 130399268), (310, 65199634), (620, 32599817), (961, 21032140), (1922, 10516070), (3844, 5258035), (4805, 4206428), (9610, 2103214), (19220, 1051607)]