20185550

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 48211200

約数和(自身を除く): 28025650

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 107, 110, 154, 175, 214, 245, 275, 343, 350, 385, 490, 535, 539, 550, 686, 749, 770, 1070, 1078, 1177, 1225, 1498, 1715, 1925, 2354, 2450, 2675, 2695, 3430, 3745, 3773, 3850, 5243, 5350, 5390, 5885, 7490, 7546, 8239, 8575, 10486, 11770, 13475, 16478, 17150, 18725, 18865, 26215, 26950, 29425, 36701, 37450, 37730, 41195, 52430, 57673, 58850, 73402, 82390, 94325, 115346, 131075, 183505, 188650, 205975, 262150, 288365, 367010, 403711, 411950, 576730, 807422, 917525, 1441825, 1835050, 2018555, 2883650, 4037110, 10092775, 20185550]

約数ペア:

[(1, 20185550), (2, 10092775), (5, 4037110), (7, 2883650), (10, 2018555), (11, 1835050), (14, 1441825), (22, 917525), (25, 807422), (35, 576730), (49, 411950), (50, 403711), (55, 367010), (70, 288365), (77, 262150), (98, 205975), (107, 188650), (110, 183505), (154, 131075), (175, 115346), (214, 94325), (245, 82390), (275, 73402), (343, 58850), (350, 57673), (385, 52430), (490, 41195), (535, 37730), (539, 37450), (550, 36701), (686, 29425), (749, 26950), (770, 26215), (1070, 18865), (1078, 18725), (1177, 17150), (1225, 16478), (1498, 13475), (1715, 11770), (1925, 10486), (2354, 8575), (2450, 8239), (2675, 7546), (2695, 7490), (3430, 5885), (3745, 5390), (3773, 5350), (3850, 5243)]