20788722

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 48884472

約数和(自身を除く): 28095750

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 41, 51, 82, 102, 123, 153, 246, 306, 369, 697, 738, 1394, 1657, 2091, 3314, 4182, 4971, 6273, 9942, 12546, 14913, 28169, 29826, 56338, 67937, 84507, 135874, 169014, 203811, 253521, 407622, 507042, 611433, 1154929, 1222866, 2309858, 3464787, 6929574, 10394361, 20788722]

約数ペア:

[(1, 20788722), (2, 10394361), (3, 6929574), (6, 3464787), (9, 2309858), (17, 1222866), (18, 1154929), (34, 611433), (41, 507042), (51, 407622), (82, 253521), (102, 203811), (123, 169014), (153, 135874), (246, 84507), (306, 67937), (369, 56338), (697, 29826), (738, 28169), (1394, 14913), (1657, 12546), (2091, 9942), (3314, 6273), (4182, 4971)]