20201771018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1\times {\mathrm{29567}}^1$

素因数の和:31982

約数の個数: 32

約数和(自身を含む): 35616430080

約数和(自身を除く): 15414659062

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 2389, 4778, 26279, 29567, 31057, 52558, 59134, 62114, 325237, 341627, 384371, 650474, 683254, 768742, 4228081, 8456162, 70635563, 141271126, 776991193, 918262319, 1553982386, 1836524638, 10100885509, 20201771018]

約数ペア:

[(1, 20201771018), (2, 10100885509), (11, 1836524638), (13, 1553982386), (22, 918262319), (26, 776991193), (143, 141271126), (286, 70635563), (2389, 8456162), (4778, 4228081), (26279, 768742), (29567, 683254), (31057, 650474), (52558, 384371), (59134, 341627), (62114, 325237)]