20814612

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 61152000

約数和(自身を除く): 40337388

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 343, 364, 389, 546, 588, 637, 686, 778, 1029, 1092, 1167, 1274, 1372, 1556, 1911, 2058, 2334, 2548, 2723, 3822, 4116, 4459, 4668, 5057, 5446, 7644, 8169, 8918, 10114, 10892, 13377, 15171, 16338, 17836, 19061, 20228, 26754, 30342, 32676, 35399, 38122, 53508, 57183, 60684, 70798, 76244, 106197, 114366, 133427, 141596, 212394, 228732, 247793, 266854, 400281, 424788, 495586, 533708, 743379, 800562, 991172, 1486758, 1601124, 1734551, 2973516, 3469102, 5203653, 6938204, 10407306, 20814612]

約数ペア:

[(1, 20814612), (2, 10407306), (3, 6938204), (4, 5203653), (6, 3469102), (7, 2973516), (12, 1734551), (13, 1601124), (14, 1486758), (21, 991172), (26, 800562), (28, 743379), (39, 533708), (42, 495586), (49, 424788), (52, 400281), (78, 266854), (84, 247793), (91, 228732), (98, 212394), (147, 141596), (156, 133427), (182, 114366), (196, 106197), (273, 76244), (294, 70798), (343, 60684), (364, 57183), (389, 53508), (546, 38122), (588, 35399), (637, 32676), (686, 30342), (778, 26754), (1029, 20228), (1092, 19061), (1167, 17836), (1274, 16338), (1372, 15171), (1556, 13377), (1911, 10892), (2058, 10114), (2334, 8918), (2548, 8169), (2723, 7644), (3822, 5446), (4116, 5057), (4459, 4668)]