20731284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82267}}^1$

素因数の和:82284

約数の個数: 36

約数和(自身を含む): 59891104

約数和(自身を除く): 39159820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82267, 164534, 246801, 329068, 493602, 575869, 740403, 987204, 1151738, 1480806, 1727607, 2303476, 2961612, 3455214, 5182821, 6910428, 10365642, 20731284]

約数ペア:

[(1, 20731284), (2, 10365642), (3, 6910428), (4, 5182821), (6, 3455214), (7, 2961612), (9, 2303476), (12, 1727607), (14, 1480806), (18, 1151738), (21, 987204), (28, 740403), (36, 575869), (42, 493602), (63, 329068), (84, 246801), (126, 164534), (252, 82267)]