20929612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 40822488

約数和(自身を除く): 19892876

約数列:

[1, 2, 4, 11, 22, 44, 83, 121, 166, 242, 332, 484, 521, 913, 1042, 1826, 2084, 3652, 5731, 10043, 11462, 20086, 22924, 40172, 43243, 63041, 86486, 126082, 172972, 252164, 475673, 951346, 1902692, 5232403, 10464806, 20929612]

約数ペア:

[(1, 20929612), (2, 10464806), (4, 5232403), (11, 1902692), (22, 951346), (44, 475673), (83, 252164), (121, 172972), (166, 126082), (242, 86486), (332, 63041), (484, 43243), (521, 40172), (913, 22924), (1042, 20086), (1826, 11462), (2084, 10043), (3652, 5731)]