20722269360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6641753}}^1$

素因数の和:6641782

約数の個数: 80

約数和(自身を含む): 69180509664

約数和(自身を除く): 48458240304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6641753, 13283506, 19925259, 26567012, 33208765, 39850518, 53134024, 66417530, 79701036, 86342789, 99626295, 106268048, 132835060, 159402072, 172685578, 199252590, 259028367, 265670120, 318804144, 345371156, 398505180, 431713945, 518056734, 531340240, 690742312, 797010360, 863427890, 1036113468, 1295141835, 1381484624, 1594020720, 1726855780, 2072226936, 2590283670, 3453711560, 4144453872, 5180567340, 6907423120, 10361134680, 20722269360]

約数ペア:

[(1, 20722269360), (2, 10361134680), (3, 6907423120), (4, 5180567340), (5, 4144453872), (6, 3453711560), (8, 2590283670), (10, 2072226936), (12, 1726855780), (13, 1594020720), (15, 1381484624), (16, 1295141835), (20, 1036113468), (24, 863427890), (26, 797010360), (30, 690742312), (39, 531340240), (40, 518056734), (48, 431713945), (52, 398505180), (60, 345371156), (65, 318804144), (78, 265670120), (80, 259028367), (104, 199252590), (120, 172685578), (130, 159402072), (156, 132835060), (195, 106268048), (208, 99626295), (240, 86342789), (260, 79701036), (312, 66417530), (390, 53134024), (520, 39850518), (624, 33208765), (780, 26567012), (1040, 19925259), (1560, 13283506), (3120, 6641753)]