20380493060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{325463}}^1$

素因数の和:325604

約数の個数: 48

約数和(自身を含む): 44617208832

約数和(自身を除く): 24236715772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 6262, 12524, 15655, 31310, 62620, 325463, 650926, 1301852, 1627315, 3254630, 6509260, 10089353, 20178706, 32871763, 40357412, 50446765, 65743526, 100893530, 131487052, 164358815, 201787060, 328717630, 657435260, 1019024653, 2038049306, 4076098612, 5095123265, 10190246530, 20380493060]

約数ペア:

[(1, 20380493060), (2, 10190246530), (4, 5095123265), (5, 4076098612), (10, 2038049306), (20, 1019024653), (31, 657435260), (62, 328717630), (101, 201787060), (124, 164358815), (155, 131487052), (202, 100893530), (310, 65743526), (404, 50446765), (505, 40357412), (620, 32871763), (1010, 20178706), (2020, 10089353), (3131, 6509260), (6262, 3254630), (12524, 1627315), (15655, 1301852), (31310, 650926), (62620, 325463)]