20352420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 71023680

約数和(自身を除く): 50671260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 541, 570, 627, 660, 684, 836, 855, 990, 1045, 1082, 1140, 1254, 1623, 1710, 1881, 1980, 2090, 2164, 2508, 2705, 3135, 3246, 3420, 3762, 4180, 4869, 5410, 5951, 6270, 6492, 7524, 8115, 9405, 9738, 10279, 10820, 11902, 12540, 16230, 17853, 18810, 19476, 20558, 23804, 24345, 29755, 30837, 32460, 35706, 37620, 41116, 48690, 51395, 53559, 59510, 61674, 71412, 89265, 92511, 97380, 102790, 107118, 113069, 119020, 123348, 154185, 178530, 185022, 205580, 214236, 226138, 267795, 308370, 339207, 357060, 370044, 452276, 462555, 535590, 565345, 616740, 678414, 925110, 1017621, 1071180, 1130690, 1356828, 1696035, 1850220, 2035242, 2261380, 3392070, 4070484, 5088105, 6784140, 10176210, 20352420]

約数ペア:

[(1, 20352420), (2, 10176210), (3, 6784140), (4, 5088105), (5, 4070484), (6, 3392070), (9, 2261380), (10, 2035242), (11, 1850220), (12, 1696035), (15, 1356828), (18, 1130690), (19, 1071180), (20, 1017621), (22, 925110), (30, 678414), (33, 616740), (36, 565345), (38, 535590), (44, 462555), (45, 452276), (55, 370044), (57, 357060), (60, 339207), (66, 308370), (76, 267795), (90, 226138), (95, 214236), (99, 205580), (110, 185022), (114, 178530), (132, 154185), (165, 123348), (171, 119020), (180, 113069), (190, 107118), (198, 102790), (209, 97380), (220, 92511), (228, 89265), (285, 71412), (330, 61674), (342, 59510), (380, 53559), (396, 51395), (418, 48690), (495, 41116), (541, 37620), (570, 35706), (627, 32460), (660, 30837), (684, 29755), (836, 24345), (855, 23804), (990, 20558), (1045, 19476), (1082, 18810), (1140, 17853), (1254, 16230), (1623, 12540), (1710, 11902), (1881, 10820), (1980, 10279), (2090, 9738), (2164, 9405), (2508, 8115), (2705, 7524), (3135, 6492), (3246, 6270), (3420, 5951), (3762, 5410), (4180, 4869)]