20175897651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{136607}}^1$

素因数の和:137171

約数の個数: 32

約数和(自身を含む): 33170608128

約数和(自身を除く): 12994710477

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 541, 1623, 3787, 7033, 11361, 21099, 49231, 136607, 147693, 409821, 956249, 1775891, 2868747, 5327673, 12431237, 37293711, 73904387, 221713161, 517330709, 960757031, 1551992127, 2882271093, 6725299217, 20175897651]

約数ペア:

[(1, 20175897651), (3, 6725299217), (7, 2882271093), (13, 1551992127), (21, 960757031), (39, 517330709), (91, 221713161), (273, 73904387), (541, 37293711), (1623, 12431237), (3787, 5327673), (7033, 2868747), (11361, 1775891), (21099, 956249), (49231, 409821), (136607, 147693)]