20839812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 37995132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 53, 62, 84, 93, 106, 124, 151, 159, 186, 212, 217, 302, 318, 371, 372, 434, 453, 604, 636, 651, 742, 868, 906, 1057, 1113, 1302, 1484, 1643, 1812, 2114, 2226, 2604, 3171, 3286, 4228, 4452, 4681, 4929, 6342, 6572, 8003, 9362, 9858, 11501, 12684, 14043, 16006, 18724, 19716, 23002, 24009, 28086, 32012, 32767, 34503, 46004, 48018, 56021, 56172, 65534, 69006, 96036, 98301, 112042, 131068, 138012, 168063, 196602, 224084, 248093, 336126, 393204, 496186, 672252, 744279, 992372, 1488558, 1736651, 2977116, 3473302, 5209953, 6946604, 10419906, 20839812]

約数ペア:

[(1, 20839812), (2, 10419906), (3, 6946604), (4, 5209953), (6, 3473302), (7, 2977116), (12, 1736651), (14, 1488558), (21, 992372), (28, 744279), (31, 672252), (42, 496186), (53, 393204), (62, 336126), (84, 248093), (93, 224084), (106, 196602), (124, 168063), (151, 138012), (159, 131068), (186, 112042), (212, 98301), (217, 96036), (302, 69006), (318, 65534), (371, 56172), (372, 56021), (434, 48018), (453, 46004), (604, 34503), (636, 32767), (651, 32012), (742, 28086), (868, 24009), (906, 23002), (1057, 19716), (1113, 18724), (1302, 16006), (1484, 14043), (1643, 12684), (1812, 11501), (2114, 9858), (2226, 9362), (2604, 8003), (3171, 6572), (3286, 6342), (4228, 4929), (4452, 4681)]