20153556

素因数分解:

$2^2\times 3^3\times {\mathrm{191}}^1\times {\mathrm{977}}^1$

素因数の和:1181

約数の個数: 48

約数和(自身を含む): 52577280

約数和(自身を除く): 32423724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191, 382, 573, 764, 977, 1146, 1719, 1954, 2292, 2931, 3438, 3908, 5157, 5862, 6876, 8793, 10314, 11724, 17586, 20628, 26379, 35172, 52758, 105516, 186607, 373214, 559821, 746428, 1119642, 1679463, 2239284, 3358926, 5038389, 6717852, 10076778, 20153556]

約数ペア:

[(1, 20153556), (2, 10076778), (3, 6717852), (4, 5038389), (6, 3358926), (9, 2239284), (12, 1679463), (18, 1119642), (27, 746428), (36, 559821), (54, 373214), (108, 186607), (191, 105516), (382, 52758), (573, 35172), (764, 26379), (977, 20628), (1146, 17586), (1719, 11724), (1954, 10314), (2292, 8793), (2931, 6876), (3438, 5862), (3908, 5157)]