20565800210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{484243}}^1$

素因数の和:484418

約数の個数: 32

約数和(自身を含む): 38491587072

約数和(自身を除く): 17925786862

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 685, 1370, 4247, 8494, 21235, 42470, 484243, 968486, 2421215, 4842430, 15011533, 30023066, 66341291, 75057665, 132682582, 150115330, 331706455, 663412910, 2056580021, 4113160042, 10282900105, 20565800210]

約数ペア:

[(1, 20565800210), (2, 10282900105), (5, 4113160042), (10, 2056580021), (31, 663412910), (62, 331706455), (137, 150115330), (155, 132682582), (274, 75057665), (310, 66341291), (685, 30023066), (1370, 15011533), (4247, 4842430), (8494, 2421215), (21235, 968486), (42470, 484243)]