20180654860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1\times {\mathrm{5171}}^1$

素因数の和:7614

約数の個数: 48

約数和(自身を含む): 42916511232

約数和(自身を除く): 22735856372

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 2351, 4702, 5171, 9404, 10342, 11755, 20684, 23510, 25855, 47020, 51710, 103420, 195133, 390266, 429193, 780532, 858386, 975665, 1716772, 1951330, 2145965, 3902660, 4291930, 8583860, 12157021, 24314042, 48628084, 60785105, 121570210, 243140420, 1009032743, 2018065486, 4036130972, 5045163715, 10090327430, 20180654860]

約数ペア:

[(1, 20180654860), (2, 10090327430), (4, 5045163715), (5, 4036130972), (10, 2018065486), (20, 1009032743), (83, 243140420), (166, 121570210), (332, 60785105), (415, 48628084), (830, 24314042), (1660, 12157021), (2351, 8583860), (4702, 4291930), (5171, 3902660), (9404, 2145965), (10342, 1951330), (11755, 1716772), (20684, 975665), (23510, 858386), (25855, 780532), (47020, 429193), (51710, 390266), (103420, 195133)]