20853470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1877}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 41376096

約数和(自身を除く): 20522626

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1877, 2222, 3754, 5555, 9385, 11110, 18770, 20647, 41294, 103235, 189577, 206470, 379154, 947885, 1895770, 2085347, 4170694, 10426735, 20853470]

約数ペア:

[(1, 20853470), (2, 10426735), (5, 4170694), (10, 2085347), (11, 1895770), (22, 947885), (55, 379154), (101, 206470), (110, 189577), (202, 103235), (505, 41294), (1010, 20647), (1111, 18770), (1877, 11110), (2222, 9385), (3754, 5555)]