20863416

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 61601040

約数和(自身を除く): 40737624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 113, 147, 157, 168, 196, 226, 294, 314, 339, 392, 452, 471, 588, 628, 678, 791, 904, 942, 1099, 1176, 1256, 1356, 1582, 1884, 2198, 2373, 2712, 3164, 3297, 3768, 4396, 4746, 5537, 6328, 6594, 7693, 8792, 9492, 11074, 13188, 15386, 16611, 17741, 18984, 22148, 23079, 26376, 30772, 33222, 35482, 44296, 46158, 53223, 61544, 66444, 70964, 92316, 106446, 124187, 132888, 141928, 184632, 212892, 248374, 372561, 425784, 496748, 745122, 869309, 993496, 1490244, 1738618, 2607927, 2980488, 3477236, 5215854, 6954472, 10431708, 20863416]

約数ペア:

[(1, 20863416), (2, 10431708), (3, 6954472), (4, 5215854), (6, 3477236), (7, 2980488), (8, 2607927), (12, 1738618), (14, 1490244), (21, 993496), (24, 869309), (28, 745122), (42, 496748), (49, 425784), (56, 372561), (84, 248374), (98, 212892), (113, 184632), (147, 141928), (157, 132888), (168, 124187), (196, 106446), (226, 92316), (294, 70964), (314, 66444), (339, 61544), (392, 53223), (452, 46158), (471, 44296), (588, 35482), (628, 33222), (678, 30772), (791, 26376), (904, 23079), (942, 22148), (1099, 18984), (1176, 17741), (1256, 16611), (1356, 15386), (1582, 13188), (1884, 11074), (2198, 9492), (2373, 8792), (2712, 7693), (3164, 6594), (3297, 6328), (3768, 5537), (4396, 4746)]