20786760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1052

約数の個数: 128

約数和(自身を含む): 73008000

約数和(自身を除く): 52221240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1013, 1026, 1080, 1140, 1368, 1710, 2026, 2052, 2280, 2565, 3039, 3420, 4052, 4104, 5065, 5130, 6078, 6840, 8104, 9117, 10130, 10260, 12156, 15195, 18234, 19247, 20260, 20520, 24312, 27351, 30390, 36468, 38494, 40520, 45585, 54702, 57741, 60780, 72936, 76988, 91170, 96235, 109404, 115482, 121560, 136755, 153976, 173223, 182340, 192470, 218808, 230964, 273510, 288705, 346446, 364680, 384940, 461928, 519669, 547020, 577410, 692892, 769880, 866115, 1039338, 1094040, 1154820, 1385784, 1732230, 2078676, 2309640, 2598345, 3464460, 4157352, 5196690, 6928920, 10393380, 20786760]

約数ペア:

[(1, 20786760), (2, 10393380), (3, 6928920), (4, 5196690), (5, 4157352), (6, 3464460), (8, 2598345), (9, 2309640), (10, 2078676), (12, 1732230), (15, 1385784), (18, 1154820), (19, 1094040), (20, 1039338), (24, 866115), (27, 769880), (30, 692892), (36, 577410), (38, 547020), (40, 519669), (45, 461928), (54, 384940), (57, 364680), (60, 346446), (72, 288705), (76, 273510), (90, 230964), (95, 218808), (108, 192470), (114, 182340), (120, 173223), (135, 153976), (152, 136755), (171, 121560), (180, 115482), (190, 109404), (216, 96235), (228, 91170), (270, 76988), (285, 72936), (342, 60780), (360, 57741), (380, 54702), (456, 45585), (513, 40520), (540, 38494), (570, 36468), (684, 30390), (760, 27351), (855, 24312), (1013, 20520), (1026, 20260), (1080, 19247), (1140, 18234), (1368, 15195), (1710, 12156), (2026, 10260), (2052, 10130), (2280, 9117), (2565, 8104), (3039, 6840), (3420, 6078), (4052, 5130), (4104, 5065)]