20536560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2593}}^1$

素因数の和:2623

約数の個数: 120

約数和(自身を含む): 75267504

約数和(自身を除く): 54730944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2593, 2640, 3960, 5186, 7779, 7920, 10372, 12965, 15558, 20744, 23337, 25930, 28523, 31116, 38895, 41488, 46674, 51860, 57046, 62232, 77790, 85569, 93348, 103720, 114092, 116685, 124464, 142615, 155580, 171138, 186696, 207440, 228184, 233370, 256707, 285230, 311160, 342276, 373392, 427845, 456368, 466740, 513414, 570460, 622320, 684552, 855690, 933480, 1026828, 1140920, 1283535, 1369104, 1711380, 1866960, 2053656, 2281840, 2567070, 3422760, 4107312, 5134140, 6845520, 10268280, 20536560]

約数ペア:

[(1, 20536560), (2, 10268280), (3, 6845520), (4, 5134140), (5, 4107312), (6, 3422760), (8, 2567070), (9, 2281840), (10, 2053656), (11, 1866960), (12, 1711380), (15, 1369104), (16, 1283535), (18, 1140920), (20, 1026828), (22, 933480), (24, 855690), (30, 684552), (33, 622320), (36, 570460), (40, 513414), (44, 466740), (45, 456368), (48, 427845), (55, 373392), (60, 342276), (66, 311160), (72, 285230), (80, 256707), (88, 233370), (90, 228184), (99, 207440), (110, 186696), (120, 171138), (132, 155580), (144, 142615), (165, 124464), (176, 116685), (180, 114092), (198, 103720), (220, 93348), (240, 85569), (264, 77790), (330, 62232), (360, 57046), (396, 51860), (440, 46674), (495, 41488), (528, 38895), (660, 31116), (720, 28523), (792, 25930), (880, 23337), (990, 20744), (1320, 15558), (1584, 12965), (1980, 10372), (2593, 7920), (2640, 7779), (3960, 5186)]