20810700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 108

約数和(自身を含む): 68719560

約数和(自身を除く): 47908860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1217, 1425, 1710, 1900, 2434, 2850, 3420, 3651, 4275, 4868, 5700, 6085, 7302, 8550, 10953, 12170, 14604, 17100, 18255, 21906, 23123, 24340, 30425, 36510, 43812, 46246, 54765, 60850, 69369, 73020, 91275, 92492, 109530, 115615, 121700, 138738, 182550, 208107, 219060, 231230, 273825, 277476, 346845, 365100, 416214, 462460, 547650, 578075, 693690, 832428, 1040535, 1095300, 1156150, 1387380, 1734225, 2081070, 2312300, 3468450, 4162140, 5202675, 6936900, 10405350, 20810700]

約数ペア:

[(1, 20810700), (2, 10405350), (3, 6936900), (4, 5202675), (5, 4162140), (6, 3468450), (9, 2312300), (10, 2081070), (12, 1734225), (15, 1387380), (18, 1156150), (19, 1095300), (20, 1040535), (25, 832428), (30, 693690), (36, 578075), (38, 547650), (45, 462460), (50, 416214), (57, 365100), (60, 346845), (75, 277476), (76, 273825), (90, 231230), (95, 219060), (100, 208107), (114, 182550), (150, 138738), (171, 121700), (180, 115615), (190, 109530), (225, 92492), (228, 91275), (285, 73020), (300, 69369), (342, 60850), (380, 54765), (450, 46246), (475, 43812), (570, 36510), (684, 30425), (855, 24340), (900, 23123), (950, 21906), (1140, 18255), (1217, 17100), (1425, 14604), (1710, 12170), (1900, 10953), (2434, 8550), (2850, 7302), (3420, 6085), (3651, 5700), (4275, 4868)]