20371890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8819}}^1$

素因数の和:8847

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 40591950

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 8819, 17638, 26457, 44095, 52914, 61733, 88190, 97009, 123466, 132285, 185199, 194018, 264570, 291027, 308665, 370398, 485045, 582054, 617330, 679063, 925995, 970090, 1358126, 1455135, 1851990, 2037189, 2910270, 3395315, 4074378, 6790630, 10185945, 20371890]

約数ペア:

[(1, 20371890), (2, 10185945), (3, 6790630), (5, 4074378), (6, 3395315), (7, 2910270), (10, 2037189), (11, 1851990), (14, 1455135), (15, 1358126), (21, 970090), (22, 925995), (30, 679063), (33, 617330), (35, 582054), (42, 485045), (55, 370398), (66, 308665), (70, 291027), (77, 264570), (105, 194018), (110, 185199), (154, 132285), (165, 123466), (210, 97009), (231, 88190), (330, 61733), (385, 52914), (462, 44095), (770, 26457), (1155, 17638), (2310, 8819)]