20808525318

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1\times {\mathrm{1013}}^1$

素因数の和:1782

約数の個数: 96

約数和(自身を含む): 48980337120

約数和(自身を除く): 28171811802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 109, 147, 218, 294, 327, 641, 654, 763, 1013, 1282, 1526, 1923, 2026, 2289, 3039, 3846, 4487, 4578, 5341, 6078, 7091, 8974, 10682, 13461, 14182, 16023, 21273, 26922, 31409, 32046, 42546, 49637, 62818, 69869, 94227, 99274, 110417, 139738, 148911, 188454, 209607, 220834, 297822, 331251, 419214, 489083, 649333, 662502, 772919, 978166, 1298666, 1467249, 1545838, 1947999, 2318757, 2934498, 3423581, 3895998, 4545331, 4637514, 5410433, 6847162, 9090662, 10270743, 10820866, 13635993, 16231299, 20541486, 27271986, 31817317, 32462598, 63634634, 70777297, 95451951, 141554594, 190903902, 212331891, 424663782, 495441079, 990882158, 1486323237, 2972646474, 3468087553, 6936175106, 10404262659, 20808525318]

約数ペア:

[(1, 20808525318), (2, 10404262659), (3, 6936175106), (6, 3468087553), (7, 2972646474), (14, 1486323237), (21, 990882158), (42, 495441079), (49, 424663782), (98, 212331891), (109, 190903902), (147, 141554594), (218, 95451951), (294, 70777297), (327, 63634634), (641, 32462598), (654, 31817317), (763, 27271986), (1013, 20541486), (1282, 16231299), (1526, 13635993), (1923, 10820866), (2026, 10270743), (2289, 9090662), (3039, 6847162), (3846, 5410433), (4487, 4637514), (4578, 4545331), (5341, 3895998), (6078, 3423581), (7091, 2934498), (8974, 2318757), (10682, 1947999), (13461, 1545838), (14182, 1467249), (16023, 1298666), (21273, 978166), (26922, 772919), (31409, 662502), (32046, 649333), (42546, 489083), (49637, 419214), (62818, 331251), (69869, 297822), (94227, 220834), (99274, 209607), (110417, 188454), (139738, 148911)]