20180631770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{203989}}^1$

素因数の和:204770

約数の個数: 32

約数和(自身を含む): 39170975760

約数和(自身を除く): 18990343990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 761, 1522, 3805, 7610, 9893, 19786, 49465, 98930, 203989, 407978, 1019945, 2039890, 2651857, 5303714, 13259285, 26518570, 155235629, 310471258, 776178145, 1552356290, 2018063177, 4036126354, 10090315885, 20180631770]

約数ペア:

[(1, 20180631770), (2, 10090315885), (5, 4036126354), (10, 2018063177), (13, 1552356290), (26, 776178145), (65, 310471258), (130, 155235629), (761, 26518570), (1522, 13259285), (3805, 5303714), (7610, 2651857), (9893, 2039890), (19786, 1019945), (49465, 407978), (98930, 203989)]