20120369865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1\times {\mathrm{1481}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 34426978560

約数和(自身を除く): 14306608695

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 653, 1095, 1387, 1481, 1959, 3265, 4161, 4443, 6935, 7405, 9795, 12407, 20805, 22215, 28139, 37221, 47669, 62035, 84417, 108113, 140695, 143007, 186105, 238345, 324339, 422085, 540565, 715035, 905711, 967093, 1621695, 2054147, 2717133, 2901279, 4528555, 4835465, 6162441, 10270735, 13585665, 14506395, 18374767, 30812205, 55124301, 70597789, 91873835, 211793367, 275621505, 352988945, 1058966835, 1341357991, 4024073973, 6706789955, 20120369865]

約数ペア:

[(1, 20120369865), (3, 6706789955), (5, 4024073973), (15, 1341357991), (19, 1058966835), (57, 352988945), (73, 275621505), (95, 211793367), (219, 91873835), (285, 70597789), (365, 55124301), (653, 30812205), (1095, 18374767), (1387, 14506395), (1481, 13585665), (1959, 10270735), (3265, 6162441), (4161, 4835465), (4443, 4528555), (6935, 2901279), (7405, 2717133), (9795, 2054147), (12407, 1621695), (20805, 967093), (22215, 905711), (28139, 715035), (37221, 540565), (47669, 422085), (62035, 324339), (84417, 238345), (108113, 186105), (140695, 143007)]