20582760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 49090200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 503, 620, 660, 682, 744, 930, 1006, 1023, 1240, 1320, 1364, 1509, 1705, 1860, 2012, 2046, 2515, 2728, 3018, 3410, 3720, 4024, 4092, 5030, 5115, 5533, 6036, 6820, 7545, 8184, 10060, 10230, 11066, 12072, 13640, 15090, 15593, 16599, 20120, 20460, 22132, 27665, 30180, 31186, 33198, 40920, 44264, 46779, 55330, 60360, 62372, 66396, 77965, 82995, 93558, 110660, 124744, 132792, 155930, 165990, 171523, 187116, 221320, 233895, 311860, 331980, 343046, 374232, 467790, 514569, 623720, 663960, 686092, 857615, 935580, 1029138, 1372184, 1715230, 1871160, 2058276, 2572845, 3430460, 4116552, 5145690, 6860920, 10291380, 20582760]

約数ペア:

[(1, 20582760), (2, 10291380), (3, 6860920), (4, 5145690), (5, 4116552), (6, 3430460), (8, 2572845), (10, 2058276), (11, 1871160), (12, 1715230), (15, 1372184), (20, 1029138), (22, 935580), (24, 857615), (30, 686092), (31, 663960), (33, 623720), (40, 514569), (44, 467790), (55, 374232), (60, 343046), (62, 331980), (66, 311860), (88, 233895), (93, 221320), (110, 187116), (120, 171523), (124, 165990), (132, 155930), (155, 132792), (165, 124744), (186, 110660), (220, 93558), (248, 82995), (264, 77965), (310, 66396), (330, 62372), (341, 60360), (372, 55330), (440, 46779), (465, 44264), (503, 40920), (620, 33198), (660, 31186), (682, 30180), (744, 27665), (930, 22132), (1006, 20460), (1023, 20120), (1240, 16599), (1320, 15593), (1364, 15090), (1509, 13640), (1705, 12072), (1860, 11066), (2012, 10230), (2046, 10060), (2515, 8184), (2728, 7545), (3018, 6820), (3410, 6036), (3720, 5533), (4024, 5115), (4092, 5030)]