20923284

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 53428032

約数和(自身を除く): 32504748

約数列:

[1, 2, 3, 4, 6, 12, 23, 41, 43, 46, 69, 82, 86, 92, 123, 129, 138, 164, 172, 246, 258, 276, 492, 516, 943, 989, 1763, 1849, 1886, 1978, 2829, 2967, 3526, 3698, 3772, 3956, 5289, 5547, 5658, 5934, 7052, 7396, 10578, 11094, 11316, 11868, 21156, 22188, 40549, 42527, 75809, 81098, 85054, 121647, 127581, 151618, 162196, 170108, 227427, 243294, 255162, 303236, 454854, 486588, 510324, 909708, 1743607, 3487214, 5230821, 6974428, 10461642, 20923284]

約数ペア:

[(1, 20923284), (2, 10461642), (3, 6974428), (4, 5230821), (6, 3487214), (12, 1743607), (23, 909708), (41, 510324), (43, 486588), (46, 454854), (69, 303236), (82, 255162), (86, 243294), (92, 227427), (123, 170108), (129, 162196), (138, 151618), (164, 127581), (172, 121647), (246, 85054), (258, 81098), (276, 75809), (492, 42527), (516, 40549), (943, 22188), (989, 21156), (1763, 11868), (1849, 11316), (1886, 11094), (1978, 10578), (2829, 7396), (2967, 7052), (3526, 5934), (3698, 5658), (3772, 5547), (3956, 5289)]