20199231344

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{1321}}^1\times {\mathrm{6329}}^1$

素因数の和:7809

約数の個数: 40

約数和(自身を含む): 39431241120

約数和(自身を除く): 19232009776

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 1321, 2416, 2642, 5284, 6329, 10568, 12658, 21136, 25316, 50632, 101264, 199471, 398942, 797884, 955679, 1595768, 1911358, 3191536, 3822716, 7645432, 8360609, 15290864, 16721218, 33442436, 66884872, 133769744, 1262451959, 2524903918, 5049807836, 10099615672, 20199231344]

約数ペア:

[(1, 20199231344), (2, 10099615672), (4, 5049807836), (8, 2524903918), (16, 1262451959), (151, 133769744), (302, 66884872), (604, 33442436), (1208, 16721218), (1321, 15290864), (2416, 8360609), (2642, 7645432), (5284, 3822716), (6329, 3191536), (10568, 1911358), (12658, 1595768), (21136, 955679), (25316, 797884), (50632, 398942), (101264, 199471)]