20843190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41364810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 34, 38, 45, 51, 54, 57, 85, 90, 95, 102, 114, 135, 153, 170, 171, 190, 239, 255, 270, 285, 306, 323, 342, 459, 478, 510, 513, 570, 646, 717, 765, 855, 918, 969, 1026, 1195, 1434, 1530, 1615, 1710, 1938, 2151, 2295, 2390, 2565, 2907, 3230, 3585, 4063, 4302, 4541, 4590, 4845, 5130, 5814, 6453, 7170, 8126, 8721, 9082, 9690, 10755, 12189, 12906, 13623, 14535, 17442, 20315, 21510, 22705, 24378, 27246, 29070, 32265, 36567, 40630, 40869, 43605, 45410, 60945, 64530, 68115, 73134, 77197, 81738, 87210, 109701, 121890, 122607, 136230, 154394, 182835, 204345, 219402, 231591, 245214, 365670, 385985, 408690, 463182, 548505, 613035, 694773, 771970, 1097010, 1157955, 1226070, 1389546, 2084319, 2315910, 3473865, 4168638, 6947730, 10421595, 20843190]

約数ペア:

[(1, 20843190), (2, 10421595), (3, 6947730), (5, 4168638), (6, 3473865), (9, 2315910), (10, 2084319), (15, 1389546), (17, 1226070), (18, 1157955), (19, 1097010), (27, 771970), (30, 694773), (34, 613035), (38, 548505), (45, 463182), (51, 408690), (54, 385985), (57, 365670), (85, 245214), (90, 231591), (95, 219402), (102, 204345), (114, 182835), (135, 154394), (153, 136230), (170, 122607), (171, 121890), (190, 109701), (239, 87210), (255, 81738), (270, 77197), (285, 73134), (306, 68115), (323, 64530), (342, 60945), (459, 45410), (478, 43605), (510, 40869), (513, 40630), (570, 36567), (646, 32265), (717, 29070), (765, 27246), (855, 24378), (918, 22705), (969, 21510), (1026, 20315), (1195, 17442), (1434, 14535), (1530, 13623), (1615, 12906), (1710, 12189), (1938, 10755), (2151, 9690), (2295, 9082), (2390, 8721), (2565, 8126), (2907, 7170), (3230, 6453), (3585, 5814), (4063, 5130), (4302, 4845), (4541, 4590)]