20598760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5659}}^1$

素因数の和:5690

約数の個数: 64

約数和(自身を含む): 57052800

約数和(自身を除く): 36454040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5659, 11318, 22636, 28295, 39613, 45272, 56590, 73567, 79226, 113180, 147134, 158452, 198065, 226360, 294268, 316904, 367835, 396130, 514969, 588536, 735670, 792260, 1029938, 1471340, 1584520, 2059876, 2574845, 2942680, 4119752, 5149690, 10299380, 20598760]

約数ペア:

[(1, 20598760), (2, 10299380), (4, 5149690), (5, 4119752), (7, 2942680), (8, 2574845), (10, 2059876), (13, 1584520), (14, 1471340), (20, 1029938), (26, 792260), (28, 735670), (35, 588536), (40, 514969), (52, 396130), (56, 367835), (65, 316904), (70, 294268), (91, 226360), (104, 198065), (130, 158452), (140, 147134), (182, 113180), (260, 79226), (280, 73567), (364, 56590), (455, 45272), (520, 39613), (728, 28295), (910, 22636), (1820, 11318), (3640, 5659)]