20016720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3089}}^1$

素因数の和:3114

約数の個数: 100

約数和(自身を含む): 69543540

約数和(自身を除く): 49526820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3089, 3240, 6178, 6480, 9267, 12356, 15445, 18534, 24712, 27801, 30890, 37068, 46335, 49424, 55602, 61780, 74136, 83403, 92670, 111204, 123560, 139005, 148272, 166806, 185340, 222408, 247120, 250209, 278010, 333612, 370680, 417015, 444816, 500418, 556020, 667224, 741360, 834030, 1000836, 1112040, 1251045, 1334448, 1668060, 2001672, 2224080, 2502090, 3336120, 4003344, 5004180, 6672240, 10008360, 20016720]

約数ペア:

[(1, 20016720), (2, 10008360), (3, 6672240), (4, 5004180), (5, 4003344), (6, 3336120), (8, 2502090), (9, 2224080), (10, 2001672), (12, 1668060), (15, 1334448), (16, 1251045), (18, 1112040), (20, 1000836), (24, 834030), (27, 741360), (30, 667224), (36, 556020), (40, 500418), (45, 444816), (48, 417015), (54, 370680), (60, 333612), (72, 278010), (80, 250209), (81, 247120), (90, 222408), (108, 185340), (120, 166806), (135, 148272), (144, 139005), (162, 123560), (180, 111204), (216, 92670), (240, 83403), (270, 74136), (324, 61780), (360, 55602), (405, 49424), (432, 46335), (540, 37068), (648, 30890), (720, 27801), (810, 24712), (1080, 18534), (1296, 15445), (1620, 12356), (2160, 9267), (3089, 6480), (3240, 6178)]