20807820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 52735860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 31, 33, 36, 44, 45, 54, 55, 60, 62, 66, 90, 93, 99, 108, 110, 113, 124, 132, 135, 155, 165, 180, 186, 198, 220, 226, 270, 279, 297, 310, 330, 339, 341, 372, 396, 452, 465, 495, 540, 558, 565, 594, 620, 660, 678, 682, 837, 930, 990, 1017, 1023, 1116, 1130, 1188, 1243, 1356, 1364, 1395, 1485, 1674, 1695, 1705, 1860, 1980, 2034, 2046, 2260, 2486, 2790, 2970, 3051, 3069, 3348, 3390, 3410, 3503, 3729, 4068, 4092, 4185, 4972, 5085, 5115, 5580, 5940, 6102, 6138, 6215, 6780, 6820, 7006, 7458, 8370, 9207, 10170, 10230, 10509, 11187, 12204, 12276, 12430, 14012, 14916, 15255, 15345, 16740, 17515, 18414, 18645, 20340, 20460, 21018, 22374, 24860, 30510, 30690, 31527, 33561, 35030, 36828, 37290, 38533, 42036, 44748, 46035, 52545, 55935, 61020, 61380, 63054, 67122, 70060, 74580, 77066, 92070, 94581, 105090, 111870, 115599, 126108, 134244, 154132, 157635, 167805, 184140, 189162, 192665, 210180, 223740, 231198, 315270, 335610, 346797, 378324, 385330, 462396, 472905, 577995, 630540, 671220, 693594, 770660, 945810, 1040391, 1155990, 1387188, 1733985, 1891620, 2080782, 2311980, 3467970, 4161564, 5201955, 6935940, 10403910, 20807820]

約数ペア:

[(1, 20807820), (2, 10403910), (3, 6935940), (4, 5201955), (5, 4161564), (6, 3467970), (9, 2311980), (10, 2080782), (11, 1891620), (12, 1733985), (15, 1387188), (18, 1155990), (20, 1040391), (22, 945810), (27, 770660), (30, 693594), (31, 671220), (33, 630540), (36, 577995), (44, 472905), (45, 462396), (54, 385330), (55, 378324), (60, 346797), (62, 335610), (66, 315270), (90, 231198), (93, 223740), (99, 210180), (108, 192665), (110, 189162), (113, 184140), (124, 167805), (132, 157635), (135, 154132), (155, 134244), (165, 126108), (180, 115599), (186, 111870), (198, 105090), (220, 94581), (226, 92070), (270, 77066), (279, 74580), (297, 70060), (310, 67122), (330, 63054), (339, 61380), (341, 61020), (372, 55935), (396, 52545), (452, 46035), (465, 44748), (495, 42036), (540, 38533), (558, 37290), (565, 36828), (594, 35030), (620, 33561), (660, 31527), (678, 30690), (682, 30510), (837, 24860), (930, 22374), (990, 21018), (1017, 20460), (1023, 20340), (1116, 18645), (1130, 18414), (1188, 17515), (1243, 16740), (1356, 15345), (1364, 15255), (1395, 14916), (1485, 14012), (1674, 12430), (1695, 12276), (1705, 12204), (1860, 11187), (1980, 10509), (2034, 10230), (2046, 10170), (2260, 9207), (2486, 8370), (2790, 7458), (2970, 7006), (3051, 6820), (3069, 6780), (3348, 6215), (3390, 6138), (3410, 6102), (3503, 5940), (3729, 5580), (4068, 5115), (4092, 5085), (4185, 4972)]