20538553690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3487021}}^1$

素因数の和:3487078

約数の個数: 32

約数和(自身を含む): 40170493440

約数和(自身を除く): 19631939750

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 3487021, 6974042, 17435105, 34870210, 66253399, 108097651, 132506798, 216195302, 331266995, 540488255, 662533990, 1080976510, 2053855369, 4107710738, 10269276845, 20538553690]

約数ペア:

[(1, 20538553690), (2, 10269276845), (5, 4107710738), (10, 2053855369), (19, 1080976510), (31, 662533990), (38, 540488255), (62, 331266995), (95, 216195302), (155, 132506798), (190, 108097651), (310, 66253399), (589, 34870210), (1178, 17435105), (2945, 6974042), (5890, 3487021)]