20658330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 67721472

約数和(自身を除く): 47063142

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 271, 315, 330, 363, 385, 462, 495, 542, 605, 630, 693, 726, 770, 813, 847, 990, 1089, 1155, 1210, 1355, 1386, 1626, 1694, 1815, 1897, 2178, 2310, 2439, 2541, 2710, 2981, 3465, 3630, 3794, 4065, 4235, 4878, 5082, 5445, 5691, 5962, 6930, 7623, 8130, 8470, 8943, 9485, 10890, 11382, 12195, 12705, 14905, 15246, 17073, 17886, 18970, 20867, 24390, 25410, 26829, 28455, 29810, 32791, 34146, 38115, 41734, 44715, 53658, 56910, 62601, 65582, 76230, 85365, 89430, 98373, 104335, 125202, 134145, 163955, 170730, 187803, 196746, 208670, 229537, 268290, 295119, 313005, 327910, 375606, 459074, 491865, 590238, 626010, 688611, 939015, 983730, 1147685, 1377222, 1475595, 1878030, 2065833, 2295370, 2951190, 3443055, 4131666, 6886110, 10329165, 20658330]

約数ペア:

[(1, 20658330), (2, 10329165), (3, 6886110), (5, 4131666), (6, 3443055), (7, 2951190), (9, 2295370), (10, 2065833), (11, 1878030), (14, 1475595), (15, 1377222), (18, 1147685), (21, 983730), (22, 939015), (30, 688611), (33, 626010), (35, 590238), (42, 491865), (45, 459074), (55, 375606), (63, 327910), (66, 313005), (70, 295119), (77, 268290), (90, 229537), (99, 208670), (105, 196746), (110, 187803), (121, 170730), (126, 163955), (154, 134145), (165, 125202), (198, 104335), (210, 98373), (231, 89430), (242, 85365), (271, 76230), (315, 65582), (330, 62601), (363, 56910), (385, 53658), (462, 44715), (495, 41734), (542, 38115), (605, 34146), (630, 32791), (693, 29810), (726, 28455), (770, 26829), (813, 25410), (847, 24390), (990, 20867), (1089, 18970), (1155, 17886), (1210, 17073), (1355, 15246), (1386, 14905), (1626, 12705), (1694, 12195), (1815, 11382), (1897, 10890), (2178, 9485), (2310, 8943), (2439, 8470), (2541, 8130), (2710, 7623), (2981, 6930), (3465, 5962), (3630, 5691), (3794, 5445), (4065, 5082), (4235, 4878)]