20852770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 39108096

約数和(自身を除く): 18255326

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 491, 685, 982, 1370, 2455, 4247, 4910, 8494, 15221, 21235, 30442, 42470, 67267, 76105, 134534, 152210, 336335, 672670, 2085277, 4170554, 10426385, 20852770]

約数ペア:

[(1, 20852770), (2, 10426385), (5, 4170554), (10, 2085277), (31, 672670), (62, 336335), (137, 152210), (155, 134534), (274, 76105), (310, 67267), (491, 42470), (685, 30442), (982, 21235), (1370, 15221), (2455, 8494), (4247, 4910)]