20618610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 53032320

約数和(自身を除く): 32413710

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 61, 95, 114, 122, 183, 190, 285, 305, 366, 570, 593, 610, 915, 1159, 1186, 1779, 1830, 2318, 2965, 3477, 3558, 5795, 5930, 6954, 8895, 11267, 11590, 17385, 17790, 22534, 33801, 34770, 36173, 56335, 67602, 72346, 108519, 112670, 169005, 180865, 217038, 338010, 361730, 542595, 687287, 1085190, 1374574, 2061861, 3436435, 4123722, 6872870, 10309305, 20618610]

約数ペア:

[(1, 20618610), (2, 10309305), (3, 6872870), (5, 4123722), (6, 3436435), (10, 2061861), (15, 1374574), (19, 1085190), (30, 687287), (38, 542595), (57, 361730), (61, 338010), (95, 217038), (114, 180865), (122, 169005), (183, 112670), (190, 108519), (285, 72346), (305, 67602), (366, 56335), (570, 36173), (593, 34770), (610, 33801), (915, 22534), (1159, 17790), (1186, 17385), (1779, 11590), (1830, 11267), (2318, 8895), (2965, 6954), (3477, 5930), (3558, 5795)]