20745348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 52891776

約数和(自身を除く): 32146428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 1873, 2769, 3692, 3746, 5538, 5619, 7492, 11076, 11238, 22476, 24349, 48698, 73047, 97396, 132983, 146094, 265966, 292188, 398949, 531932, 797898, 1595796, 1728779, 3457558, 5186337, 6915116, 10372674, 20745348]

約数ペア:

[(1, 20745348), (2, 10372674), (3, 6915116), (4, 5186337), (6, 3457558), (12, 1728779), (13, 1595796), (26, 797898), (39, 531932), (52, 398949), (71, 292188), (78, 265966), (142, 146094), (156, 132983), (213, 97396), (284, 73047), (426, 48698), (852, 24349), (923, 22476), (1846, 11238), (1873, 11076), (2769, 7492), (3692, 5619), (3746, 5538)]