20923896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 39210504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 269, 463, 538, 807, 926, 1076, 1389, 1614, 1852, 1883, 2152, 2778, 3228, 3241, 3704, 3766, 5556, 5649, 6456, 6482, 7532, 9723, 11112, 11298, 12964, 15064, 19446, 22596, 25928, 38892, 45192, 77784, 124547, 249094, 373641, 498188, 747282, 871829, 996376, 1494564, 1743658, 2615487, 2989128, 3487316, 5230974, 6974632, 10461948, 20923896]

約数ペア:

[(1, 20923896), (2, 10461948), (3, 6974632), (4, 5230974), (6, 3487316), (7, 2989128), (8, 2615487), (12, 1743658), (14, 1494564), (21, 996376), (24, 871829), (28, 747282), (42, 498188), (56, 373641), (84, 249094), (168, 124547), (269, 77784), (463, 45192), (538, 38892), (807, 25928), (926, 22596), (1076, 19446), (1389, 15064), (1614, 12964), (1852, 11298), (1883, 11112), (2152, 9723), (2778, 7532), (3228, 6482), (3241, 6456), (3704, 5649), (3766, 5556)]