20563620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4451}}^1$

素因数の和:4481

約数の個数: 96

約数和(自身を含む): 71801856

約数和(自身を除く): 51238236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4451, 4620, 8902, 13353, 17804, 22255, 26706, 31157, 44510, 48961, 53412, 62314, 66765, 89020, 93471, 97922, 124628, 133530, 146883, 155785, 186942, 195844, 244805, 267060, 293766, 311570, 342727, 373884, 467355, 489610, 587532, 623140, 685454, 734415, 934710, 979220, 1028181, 1370908, 1468830, 1713635, 1869420, 2056362, 2937660, 3427270, 4112724, 5140905, 6854540, 10281810, 20563620]

約数ペア:

[(1, 20563620), (2, 10281810), (3, 6854540), (4, 5140905), (5, 4112724), (6, 3427270), (7, 2937660), (10, 2056362), (11, 1869420), (12, 1713635), (14, 1468830), (15, 1370908), (20, 1028181), (21, 979220), (22, 934710), (28, 734415), (30, 685454), (33, 623140), (35, 587532), (42, 489610), (44, 467355), (55, 373884), (60, 342727), (66, 311570), (70, 293766), (77, 267060), (84, 244805), (105, 195844), (110, 186942), (132, 155785), (140, 146883), (154, 133530), (165, 124628), (210, 97922), (220, 93471), (231, 89020), (308, 66765), (330, 62314), (385, 53412), (420, 48961), (462, 44510), (660, 31157), (770, 26706), (924, 22255), (1155, 17804), (1540, 13353), (2310, 8902), (4451, 4620)]