20671830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 58125600

約数和(自身を除く): 37453770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 59, 85, 90, 102, 118, 153, 170, 177, 229, 255, 295, 306, 354, 458, 510, 531, 590, 687, 765, 885, 1003, 1062, 1145, 1374, 1530, 1770, 2006, 2061, 2290, 2655, 3009, 3435, 3893, 4122, 5015, 5310, 6018, 6870, 7786, 9027, 10030, 10305, 11679, 13511, 15045, 18054, 19465, 20610, 23358, 27022, 30090, 35037, 38930, 40533, 45135, 58395, 67555, 70074, 81066, 90270, 116790, 121599, 135110, 175185, 202665, 229687, 243198, 350370, 405330, 459374, 607995, 689061, 1148435, 1215990, 1378122, 2067183, 2296870, 3445305, 4134366, 6890610, 10335915, 20671830]

約数ペア:

[(1, 20671830), (2, 10335915), (3, 6890610), (5, 4134366), (6, 3445305), (9, 2296870), (10, 2067183), (15, 1378122), (17, 1215990), (18, 1148435), (30, 689061), (34, 607995), (45, 459374), (51, 405330), (59, 350370), (85, 243198), (90, 229687), (102, 202665), (118, 175185), (153, 135110), (170, 121599), (177, 116790), (229, 90270), (255, 81066), (295, 70074), (306, 67555), (354, 58395), (458, 45135), (510, 40533), (531, 38930), (590, 35037), (687, 30090), (765, 27022), (885, 23358), (1003, 20610), (1062, 19465), (1145, 18054), (1374, 15045), (1530, 13511), (1770, 11679), (2006, 10305), (2061, 10030), (2290, 9027), (2655, 7786), (3009, 6870), (3435, 6018), (3893, 5310), (4122, 5015)]