20738132

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 39782400

約数和(自身を除く): 19044268

約数列:

[1, 2, 4, 29, 31, 58, 62, 73, 79, 116, 124, 146, 158, 292, 316, 899, 1798, 2117, 2263, 2291, 2449, 3596, 4234, 4526, 4582, 4898, 5767, 8468, 9052, 9164, 9796, 11534, 23068, 65627, 71021, 131254, 142042, 167243, 178777, 262508, 284084, 334486, 357554, 668972, 715108, 5184533, 10369066, 20738132]

約数ペア:

[(1, 20738132), (2, 10369066), (4, 5184533), (29, 715108), (31, 668972), (58, 357554), (62, 334486), (73, 284084), (79, 262508), (116, 178777), (124, 167243), (146, 142042), (158, 131254), (292, 71021), (316, 65627), (899, 23068), (1798, 11534), (2117, 9796), (2263, 9164), (2291, 9052), (2449, 8468), (3596, 5767), (4234, 4898), (4526, 4582)]