20377005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 36516480

約数和(自身を除く): 16139475

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 109, 121, 165, 309, 327, 363, 515, 545, 605, 1133, 1199, 1545, 1635, 1815, 3399, 3597, 5665, 5995, 11227, 12463, 13189, 16995, 17985, 33681, 37389, 39567, 56135, 62315, 65945, 123497, 168405, 186945, 197835, 370491, 617485, 1358467, 1852455, 4075401, 6792335, 20377005]

約数ペア:

[(1, 20377005), (3, 6792335), (5, 4075401), (11, 1852455), (15, 1358467), (33, 617485), (55, 370491), (103, 197835), (109, 186945), (121, 168405), (165, 123497), (309, 65945), (327, 62315), (363, 56135), (515, 39567), (545, 37389), (605, 33681), (1133, 17985), (1199, 16995), (1545, 13189), (1635, 12463), (1815, 11227), (3399, 5995), (3597, 5665)]