20407183460

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{911}}^1\times {\mathrm{4133}}^1$

素因数の和:5324

約数の個数: 48

約数和(自身を含む): 43070856192

約数和(自身を除く): 22663672732

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 911, 1084, 1355, 1822, 2710, 3644, 4133, 4555, 5420, 8266, 9110, 16532, 18220, 20665, 41330, 82660, 246881, 493762, 987524, 1120043, 1234405, 2240086, 2468810, 3765163, 4480172, 4937620, 5600215, 7530326, 11200430, 15060652, 18825815, 22400860, 37651630, 75303260, 1020359173, 2040718346, 4081436692, 5101795865, 10203591730, 20407183460]

約数ペア:

[(1, 20407183460), (2, 10203591730), (4, 5101795865), (5, 4081436692), (10, 2040718346), (20, 1020359173), (271, 75303260), (542, 37651630), (911, 22400860), (1084, 18825815), (1355, 15060652), (1822, 11200430), (2710, 7530326), (3644, 5600215), (4133, 4937620), (4555, 4480172), (5420, 3765163), (8266, 2468810), (9110, 2240086), (16532, 1234405), (18220, 1120043), (20665, 987524), (41330, 493762), (82660, 246881)]