20030542588

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{393713}}^1$

素因数の和:393826

約数の個数: 48

約数和(自身を含む): 42332129280

約数和(自身を除く): 22301586692

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 79, 92, 158, 161, 316, 322, 553, 644, 1106, 1817, 2212, 3634, 7268, 12719, 25438, 50876, 393713, 787426, 1574852, 2755991, 5511982, 9055399, 11023964, 18110798, 31103327, 36221596, 62206654, 63387793, 124413308, 126775586, 217723289, 253551172, 435446578, 715376521, 870893156, 1430753042, 2861506084, 5007635647, 10015271294, 20030542588]

約数ペア:

[(1, 20030542588), (2, 10015271294), (4, 5007635647), (7, 2861506084), (14, 1430753042), (23, 870893156), (28, 715376521), (46, 435446578), (79, 253551172), (92, 217723289), (158, 126775586), (161, 124413308), (316, 63387793), (322, 62206654), (553, 36221596), (644, 31103327), (1106, 18110798), (1817, 11023964), (2212, 9055399), (3634, 5511982), (7268, 2755991), (12719, 1574852), (25438, 787426), (50876, 393713)]