20818382292

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^2\times {\mathrm{38239}}^1$

素因数の和:38394

約数の個数: 72

約数和(自身を含む): 54745913600

約数和(自身を除く): 33927531308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 5041, 7668, 10082, 15123, 20164, 30246, 38239, 45369, 60492, 76478, 90738, 114717, 136107, 152956, 181476, 229434, 272214, 344151, 458868, 544428, 688302, 1032453, 1376604, 2064906, 2714969, 4129812, 5429938, 8144907, 10859876, 16289814, 24434721, 32579628, 48869442, 73304163, 97738884, 146608326, 192762799, 293216652, 385525598, 578288397, 771051196, 1156576794, 1734865191, 2313153588, 3469730382, 5204595573, 6939460764, 10409191146, 20818382292]

約数ペア:

[(1, 20818382292), (2, 10409191146), (3, 6939460764), (4, 5204595573), (6, 3469730382), (9, 2313153588), (12, 1734865191), (18, 1156576794), (27, 771051196), (36, 578288397), (54, 385525598), (71, 293216652), (108, 192762799), (142, 146608326), (213, 97738884), (284, 73304163), (426, 48869442), (639, 32579628), (852, 24434721), (1278, 16289814), (1917, 10859876), (2556, 8144907), (3834, 5429938), (5041, 4129812), (7668, 2714969), (10082, 2064906), (15123, 1376604), (20164, 1032453), (30246, 688302), (38239, 544428), (45369, 458868), (60492, 344151), (76478, 272214), (90738, 229434), (114717, 181476), (136107, 152956)]