20020748860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3042667}}^1$

素因数の和:3042730

約数の個数: 48

約数和(自身を含む): 49072149504

約数和(自身を除く): 29051400644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 3042667, 6085334, 12170668, 15213335, 21298669, 30426670, 42597338, 60853340, 85194676, 106493345, 143005349, 212986690, 286010698, 425973380, 572021396, 715026745, 1001037443, 1430053490, 2002074886, 2860106980, 4004149772, 5005187215, 10010374430, 20020748860]

約数ペア:

[(1, 20020748860), (2, 10010374430), (4, 5005187215), (5, 4004149772), (7, 2860106980), (10, 2002074886), (14, 1430053490), (20, 1001037443), (28, 715026745), (35, 572021396), (47, 425973380), (70, 286010698), (94, 212986690), (140, 143005349), (188, 106493345), (235, 85194676), (329, 60853340), (470, 42597338), (658, 30426670), (940, 21298669), (1316, 15213335), (1645, 12170668), (3290, 6085334), (6580, 3042667)]