20808330620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{57991}}^1$

素因数の和:58251

約数の個数: 96

約数和(自身を含む): 54714756096

約数和(自身を除く): 33906425476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 233, 308, 385, 466, 770, 932, 1165, 1540, 1631, 2330, 2563, 3262, 4660, 5126, 6524, 8155, 10252, 12815, 16310, 17941, 25630, 32620, 35882, 51260, 57991, 71764, 89705, 115982, 179410, 231964, 289955, 358820, 405937, 579910, 637901, 811874, 1159820, 1275802, 1623748, 2029685, 2551604, 3189505, 4059370, 4465307, 6379010, 8118740, 8930614, 12758020, 13511903, 17861228, 22326535, 27023806, 44653070, 54047612, 67559515, 89306140, 94583321, 135119030, 148630933, 189166642, 270238060, 297261866, 378333284, 472916605, 594523732, 743154665, 945833210, 1040416531, 1486309330, 1891666420, 2080833062, 2972618660, 4161666124, 5202082655, 10404165310, 20808330620]

約数ペア:

[(1, 20808330620), (2, 10404165310), (4, 5202082655), (5, 4161666124), (7, 2972618660), (10, 2080833062), (11, 1891666420), (14, 1486309330), (20, 1040416531), (22, 945833210), (28, 743154665), (35, 594523732), (44, 472916605), (55, 378333284), (70, 297261866), (77, 270238060), (110, 189166642), (140, 148630933), (154, 135119030), (220, 94583321), (233, 89306140), (308, 67559515), (385, 54047612), (466, 44653070), (770, 27023806), (932, 22326535), (1165, 17861228), (1540, 13511903), (1631, 12758020), (2330, 8930614), (2563, 8118740), (3262, 6379010), (4660, 4465307), (5126, 4059370), (6524, 3189505), (8155, 2551604), (10252, 2029685), (12815, 1623748), (16310, 1275802), (17941, 1159820), (25630, 811874), (32620, 637901), (35882, 579910), (51260, 405937), (57991, 358820), (71764, 289955), (89705, 231964), (115982, 179410)]