20105100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 108

約数和(自身を含む): 63980280

約数和(自身を除く): 43875180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 150, 178, 180, 225, 251, 267, 300, 356, 445, 450, 502, 534, 753, 801, 890, 900, 1004, 1068, 1255, 1335, 1506, 1602, 1780, 2225, 2259, 2510, 2670, 3012, 3204, 3765, 4005, 4450, 4518, 5020, 5340, 6275, 6675, 7530, 8010, 8900, 9036, 11295, 12550, 13350, 15060, 16020, 18825, 20025, 22339, 22590, 25100, 26700, 37650, 40050, 44678, 45180, 56475, 67017, 75300, 80100, 89356, 111695, 112950, 134034, 201051, 223390, 225900, 268068, 335085, 402102, 446780, 558475, 670170, 804204, 1005255, 1116950, 1340340, 1675425, 2010510, 2233900, 3350850, 4021020, 5026275, 6701700, 10052550, 20105100]

約数ペア:

[(1, 20105100), (2, 10052550), (3, 6701700), (4, 5026275), (5, 4021020), (6, 3350850), (9, 2233900), (10, 2010510), (12, 1675425), (15, 1340340), (18, 1116950), (20, 1005255), (25, 804204), (30, 670170), (36, 558475), (45, 446780), (50, 402102), (60, 335085), (75, 268068), (89, 225900), (90, 223390), (100, 201051), (150, 134034), (178, 112950), (180, 111695), (225, 89356), (251, 80100), (267, 75300), (300, 67017), (356, 56475), (445, 45180), (450, 44678), (502, 40050), (534, 37650), (753, 26700), (801, 25100), (890, 22590), (900, 22339), (1004, 20025), (1068, 18825), (1255, 16020), (1335, 15060), (1506, 13350), (1602, 12550), (1780, 11295), (2225, 9036), (2259, 8900), (2510, 8010), (2670, 7530), (3012, 6675), (3204, 6275), (3765, 5340), (4005, 5020), (4450, 4518)]