20163854268

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{399221}}^1$

素因数の和:399315

約数の個数: 72

約数和(自身を含む): 54057852576

約数和(自身を除く): 33893998308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 366, 414, 549, 732, 828, 1098, 1403, 2196, 2806, 4209, 5612, 8418, 12627, 16836, 25254, 50508, 399221, 798442, 1197663, 1596884, 2395326, 3592989, 4790652, 7185978, 9182083, 14371956, 18364166, 24352481, 27546249, 36728332, 48704962, 55092498, 73057443, 82638747, 97409924, 110184996, 146114886, 165277494, 219172329, 292229772, 330554988, 438344658, 560107063, 876689316, 1120214126, 1680321189, 2240428252, 3360642378, 5040963567, 6721284756, 10081927134, 20163854268]

約数ペア:

[(1, 20163854268), (2, 10081927134), (3, 6721284756), (4, 5040963567), (6, 3360642378), (9, 2240428252), (12, 1680321189), (18, 1120214126), (23, 876689316), (36, 560107063), (46, 438344658), (61, 330554988), (69, 292229772), (92, 219172329), (122, 165277494), (138, 146114886), (183, 110184996), (207, 97409924), (244, 82638747), (276, 73057443), (366, 55092498), (414, 48704962), (549, 36728332), (732, 27546249), (828, 24352481), (1098, 18364166), (1403, 14371956), (2196, 9182083), (2806, 7185978), (4209, 4790652), (5612, 3592989), (8418, 2395326), (12627, 1596884), (16836, 1197663), (25254, 798442), (50508, 399221)]