20695864

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 26996936

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 266, 367, 371, 424, 532, 734, 742, 1007, 1064, 1468, 1484, 2014, 2569, 2936, 2968, 4028, 5138, 6973, 7049, 8056, 10276, 13946, 14098, 19451, 20552, 27892, 28196, 38902, 48811, 55784, 56392, 77804, 97622, 136157, 155608, 195244, 272314, 369569, 390488, 544628, 739138, 1089256, 1478276, 2586983, 2956552, 5173966, 10347932, 20695864]

約数ペア:

[(1, 20695864), (2, 10347932), (4, 5173966), (7, 2956552), (8, 2586983), (14, 1478276), (19, 1089256), (28, 739138), (38, 544628), (53, 390488), (56, 369569), (76, 272314), (106, 195244), (133, 155608), (152, 136157), (212, 97622), (266, 77804), (367, 56392), (371, 55784), (424, 48811), (532, 38902), (734, 28196), (742, 27892), (1007, 20552), (1064, 19451), (1468, 14098), (1484, 13946), (2014, 10276), (2569, 8056), (2936, 7049), (2968, 6973), (4028, 5138)]