20259594

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 45253728

約数和(自身を除く): 24994134

約数列:

[1, 2, 3, 6, 9, 18, 67, 107, 134, 157, 201, 214, 314, 321, 402, 471, 603, 642, 942, 963, 1206, 1413, 1926, 2826, 7169, 10519, 14338, 16799, 21038, 21507, 31557, 33598, 43014, 50397, 63114, 64521, 94671, 100794, 129042, 151191, 189342, 302382, 1125533, 2251066, 3376599, 6753198, 10129797, 20259594]

約数ペア:

[(1, 20259594), (2, 10129797), (3, 6753198), (6, 3376599), (9, 2251066), (18, 1125533), (67, 302382), (107, 189342), (134, 151191), (157, 129042), (201, 100794), (214, 94671), (314, 64521), (321, 63114), (402, 50397), (471, 43014), (603, 33598), (642, 31557), (942, 21507), (963, 21038), (1206, 16799), (1413, 14338), (1926, 10519), (2826, 7169)]