20123335100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{962839}}^1$

素因数の和:962883

約数の個数: 72

約数和(自身を含む): 50144707200

約数和(自身を除く): 30021372100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 10450, 20900, 962839, 1925678, 3851356, 4814195, 9628390, 10591229, 18293941, 19256780, 21182458, 24070975, 36587882, 42364916, 48141950, 52956145, 73175764, 91469705, 96283900, 105912290, 182939410, 201233351, 211824580, 264780725, 365878820, 402466702, 457348525, 529561450, 804933404, 914697050, 1006166755, 1059122900, 1829394100, 2012333510, 4024667020, 5030833775, 10061667550, 20123335100]

約数ペア:

[(1, 20123335100), (2, 10061667550), (4, 5030833775), (5, 4024667020), (10, 2012333510), (11, 1829394100), (19, 1059122900), (20, 1006166755), (22, 914697050), (25, 804933404), (38, 529561450), (44, 457348525), (50, 402466702), (55, 365878820), (76, 264780725), (95, 211824580), (100, 201233351), (110, 182939410), (190, 105912290), (209, 96283900), (220, 91469705), (275, 73175764), (380, 52956145), (418, 48141950), (475, 42364916), (550, 36587882), (836, 24070975), (950, 21182458), (1045, 19256780), (1100, 18293941), (1900, 10591229), (2090, 9628390), (4180, 4814195), (5225, 3851356), (10450, 1925678), (20900, 962839)]