20761300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 108

約数和(自身を含む): 55413120

約数和(自身を除く): 34651820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 223, 245, 266, 350, 380, 446, 475, 490, 532, 665, 700, 892, 931, 950, 980, 1115, 1225, 1330, 1561, 1862, 1900, 2230, 2450, 2660, 3122, 3325, 3724, 4237, 4460, 4655, 4900, 5575, 6244, 6650, 7805, 8474, 9310, 10927, 11150, 13300, 15610, 16948, 18620, 21185, 21854, 22300, 23275, 29659, 31220, 39025, 42370, 43708, 46550, 54635, 59318, 78050, 84740, 93100, 105925, 109270, 118636, 148295, 156100, 207613, 211850, 218540, 273175, 296590, 415226, 423700, 546350, 593180, 741475, 830452, 1038065, 1092700, 1482950, 2076130, 2965900, 4152260, 5190325, 10380650, 20761300]

約数ペア:

[(1, 20761300), (2, 10380650), (4, 5190325), (5, 4152260), (7, 2965900), (10, 2076130), (14, 1482950), (19, 1092700), (20, 1038065), (25, 830452), (28, 741475), (35, 593180), (38, 546350), (49, 423700), (50, 415226), (70, 296590), (76, 273175), (95, 218540), (98, 211850), (100, 207613), (133, 156100), (140, 148295), (175, 118636), (190, 109270), (196, 105925), (223, 93100), (245, 84740), (266, 78050), (350, 59318), (380, 54635), (446, 46550), (475, 43708), (490, 42370), (532, 39025), (665, 31220), (700, 29659), (892, 23275), (931, 22300), (950, 21854), (980, 21185), (1115, 18620), (1225, 16948), (1330, 15610), (1561, 13300), (1862, 11150), (1900, 10927), (2230, 9310), (2450, 8474), (2660, 7805), (3122, 6650), (3325, 6244), (3724, 5575), (4237, 4900), (4460, 4655)]