20723670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 59608224

約数和(自身を除く): 38884554

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 173, 198, 242, 330, 346, 363, 495, 519, 605, 726, 865, 990, 1038, 1089, 1210, 1331, 1557, 1730, 1815, 1903, 2178, 2595, 2662, 3114, 3630, 3806, 3993, 5190, 5445, 5709, 6655, 7785, 7986, 9515, 10890, 11418, 11979, 13310, 15570, 17127, 19030, 19965, 20933, 23958, 28545, 34254, 39930, 41866, 57090, 59895, 62799, 85635, 104665, 119790, 125598, 171270, 188397, 209330, 230263, 313995, 376794, 460526, 627990, 690789, 941985, 1151315, 1381578, 1883970, 2072367, 2302630, 3453945, 4144734, 6907890, 10361835, 20723670]

約数ペア:

[(1, 20723670), (2, 10361835), (3, 6907890), (5, 4144734), (6, 3453945), (9, 2302630), (10, 2072367), (11, 1883970), (15, 1381578), (18, 1151315), (22, 941985), (30, 690789), (33, 627990), (45, 460526), (55, 376794), (66, 313995), (90, 230263), (99, 209330), (110, 188397), (121, 171270), (165, 125598), (173, 119790), (198, 104665), (242, 85635), (330, 62799), (346, 59895), (363, 57090), (495, 41866), (519, 39930), (605, 34254), (726, 28545), (865, 23958), (990, 20933), (1038, 19965), (1089, 19030), (1210, 17127), (1331, 15570), (1557, 13310), (1730, 11979), (1815, 11418), (1903, 10890), (2178, 9515), (2595, 7986), (2662, 7785), (3114, 6655), (3630, 5709), (3806, 5445), (3993, 5190)]