20012760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2417}}^1$

素因数の和:2457

約数の個数: 96

約数和(自身を含む): 67897440

約数和(自身を除く): 47884680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2417, 2760, 4140, 4834, 7251, 8280, 9668, 12085, 14502, 19336, 21753, 24170, 29004, 36255, 43506, 48340, 55591, 58008, 72510, 87012, 96680, 108765, 111182, 145020, 166773, 174024, 217530, 222364, 277955, 290040, 333546, 435060, 444728, 500319, 555910, 667092, 833865, 870120, 1000638, 1111820, 1334184, 1667730, 2001276, 2223640, 2501595, 3335460, 4002552, 5003190, 6670920, 10006380, 20012760]

約数ペア:

[(1, 20012760), (2, 10006380), (3, 6670920), (4, 5003190), (5, 4002552), (6, 3335460), (8, 2501595), (9, 2223640), (10, 2001276), (12, 1667730), (15, 1334184), (18, 1111820), (20, 1000638), (23, 870120), (24, 833865), (30, 667092), (36, 555910), (40, 500319), (45, 444728), (46, 435060), (60, 333546), (69, 290040), (72, 277955), (90, 222364), (92, 217530), (115, 174024), (120, 166773), (138, 145020), (180, 111182), (184, 108765), (207, 96680), (230, 87012), (276, 72510), (345, 58008), (360, 55591), (414, 48340), (460, 43506), (552, 36255), (690, 29004), (828, 24170), (920, 21753), (1035, 19336), (1380, 14502), (1656, 12085), (2070, 9668), (2417, 8280), (2760, 7251), (4140, 4834)]