20183880970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{462191}}^1$

素因数の和:462606

約数の個数: 32

約数和(自身を含む): 39733721856

約数和(自身を除く): 19549840886

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1985, 3970, 4367, 8734, 21835, 43670, 462191, 924382, 2310955, 4621910, 5084101, 10168202, 25420505, 50841010, 183489827, 366979654, 917449135, 1834898270, 2018388097, 4036776194, 10091940485, 20183880970]

約数ペア:

[(1, 20183880970), (2, 10091940485), (5, 4036776194), (10, 2018388097), (11, 1834898270), (22, 917449135), (55, 366979654), (110, 183489827), (397, 50841010), (794, 25420505), (1985, 10168202), (3970, 5084101), (4367, 4621910), (8734, 2310955), (21835, 924382), (43670, 462191)]