20135021530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{3803}}^1$

素因数の和:4255

約数の個数: 64

約数和(自身を含む): 39456305280

約数和(自身を除く): 19321283750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 293, 586, 695, 1390, 1465, 1807, 2930, 3614, 3803, 3809, 7606, 7618, 9035, 18070, 19015, 19045, 38030, 38090, 40727, 49439, 81454, 98878, 203635, 247195, 407270, 494390, 528617, 529451, 1057234, 1058902, 1114279, 2228558, 2643085, 2647255, 5286170, 5294510, 5571395, 6872021, 11142790, 13744042, 14485627, 28971254, 34360105, 68720210, 72428135, 144856270, 154884781, 309769562, 774423905, 1548847810, 2013502153, 4027004306, 10067510765, 20135021530]

約数ペア:

[(1, 20135021530), (2, 10067510765), (5, 4027004306), (10, 2013502153), (13, 1548847810), (26, 774423905), (65, 309769562), (130, 154884781), (139, 144856270), (278, 72428135), (293, 68720210), (586, 34360105), (695, 28971254), (1390, 14485627), (1465, 13744042), (1807, 11142790), (2930, 6872021), (3614, 5571395), (3803, 5294510), (3809, 5286170), (7606, 2647255), (7618, 2643085), (9035, 2228558), (18070, 1114279), (19015, 1058902), (19045, 1057234), (38030, 529451), (38090, 528617), (40727, 494390), (49439, 407270), (81454, 247195), (98878, 203635)]