20187948231

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{37561}}^1$

素因数の和:37728

約数の個数: 48

約数和(自身を含む): 32696969760

約数和(自身を除く): 12509021529

約数列:

[1, 3, 9, 11, 33, 61, 89, 99, 183, 267, 549, 671, 801, 979, 2013, 2937, 5429, 6039, 8811, 16287, 37561, 48861, 59719, 112683, 179157, 338049, 413171, 537471, 1239513, 2291221, 3342929, 3718539, 6873663, 10028787, 20620989, 25203431, 30086361, 36772219, 75610293, 110316657, 203918669, 226830879, 330949971, 611756007, 1835268021, 2243105359, 6729316077, 20187948231]

約数ペア:

[(1, 20187948231), (3, 6729316077), (9, 2243105359), (11, 1835268021), (33, 611756007), (61, 330949971), (89, 226830879), (99, 203918669), (183, 110316657), (267, 75610293), (549, 36772219), (671, 30086361), (801, 25203431), (979, 20620989), (2013, 10028787), (2937, 6873663), (5429, 3718539), (6039, 3342929), (8811, 2291221), (16287, 1239513), (37561, 537471), (48861, 413171), (59719, 338049), (112683, 179157)]