20278315004

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{1427}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 36273484800

約数和(自身を除く): 15995169796

約数列:

[1, 2, 4, 89, 178, 179, 223, 356, 358, 446, 716, 892, 1427, 2854, 5708, 15931, 19847, 31862, 39694, 39917, 63724, 79388, 79834, 127003, 159668, 254006, 255433, 318221, 508012, 510866, 636442, 1021732, 1272884, 3552613, 7105226, 14210452, 22733537, 28321669, 45467074, 56643338, 56961559, 90934148, 113286676, 113923118, 227846236, 5069578751, 10139157502, 20278315004]

約数ペア:

[(1, 20278315004), (2, 10139157502), (4, 5069578751), (89, 227846236), (178, 113923118), (179, 113286676), (223, 90934148), (356, 56961559), (358, 56643338), (446, 45467074), (716, 28321669), (892, 22733537), (1427, 14210452), (2854, 7105226), (5708, 3552613), (15931, 1272884), (19847, 1021732), (31862, 636442), (39694, 510866), (39917, 508012), (63724, 318221), (79388, 255433), (79834, 254006), (127003, 159668)]