20941650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 56798820

約数和(自身を除く): 35857170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 173, 225, 269, 346, 450, 519, 538, 807, 865, 1038, 1345, 1557, 1614, 1730, 2421, 2595, 2690, 3114, 4035, 4325, 4842, 5190, 6725, 7785, 8070, 8650, 12105, 12975, 13450, 15570, 20175, 24210, 25950, 38925, 40350, 46537, 60525, 77850, 93074, 121050, 139611, 232685, 279222, 418833, 465370, 698055, 837666, 1163425, 1396110, 2094165, 2326850, 3490275, 4188330, 6980550, 10470825, 20941650]

約数ペア:

[(1, 20941650), (2, 10470825), (3, 6980550), (5, 4188330), (6, 3490275), (9, 2326850), (10, 2094165), (15, 1396110), (18, 1163425), (25, 837666), (30, 698055), (45, 465370), (50, 418833), (75, 279222), (90, 232685), (150, 139611), (173, 121050), (225, 93074), (269, 77850), (346, 60525), (450, 46537), (519, 40350), (538, 38925), (807, 25950), (865, 24210), (1038, 20175), (1345, 15570), (1557, 13450), (1614, 12975), (1730, 12105), (2421, 8650), (2595, 8070), (2690, 7785), (3114, 6725), (4035, 5190), (4325, 4842)]