20405929680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28341569}}^1$

素因数の和:28341588

約数の個数: 60

約数和(自身を含む): 68529916260

約数和(自身を除く): 48123986580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28341569, 56683138, 85024707, 113366276, 141707845, 170049414, 226732552, 255074121, 283415690, 340098828, 425123535, 453465104, 510148242, 566831380, 680197656, 850247070, 1020296484, 1133662760, 1275370605, 1360395312, 1700494140, 2040592968, 2267325520, 2550741210, 3400988280, 4081185936, 5101482420, 6801976560, 10202964840, 20405929680]

約数ペア:

[(1, 20405929680), (2, 10202964840), (3, 6801976560), (4, 5101482420), (5, 4081185936), (6, 3400988280), (8, 2550741210), (9, 2267325520), (10, 2040592968), (12, 1700494140), (15, 1360395312), (16, 1275370605), (18, 1133662760), (20, 1020296484), (24, 850247070), (30, 680197656), (36, 566831380), (40, 510148242), (45, 453465104), (48, 425123535), (60, 340098828), (72, 283415690), (80, 255074121), (90, 226732552), (120, 170049414), (144, 141707845), (180, 113366276), (240, 85024707), (360, 56683138), (720, 28341569)]