20595960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 192

約数和(自身を含む): 83566080

約数和(自身を除く): 62970120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 743, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1486, 1540, 1848, 1980, 2229, 2310, 2520, 2772, 2972, 3080, 3465, 3715, 3960, 4458, 4620, 5201, 5544, 5944, 6687, 6930, 7430, 8173, 8916, 9240, 10402, 11145, 13374, 13860, 14860, 15603, 16346, 17832, 20804, 22290, 24519, 26005, 26748, 27720, 29720, 31206, 32692, 33435, 40865, 41608, 44580, 46809, 49038, 52010, 53496, 57211, 62412, 65384, 66870, 73557, 78015, 81730, 89160, 93618, 98076, 104020, 114422, 122595, 124824, 133740, 147114, 156030, 163460, 171633, 187236, 196152, 208040, 228844, 234045, 245190, 267480, 286055, 294228, 312060, 326920, 343266, 367785, 374472, 457688, 468090, 490380, 514899, 572110, 588456, 624120, 686532, 735570, 858165, 936180, 980760, 1029798, 1144220, 1373064, 1471140, 1716330, 1872360, 2059596, 2288440, 2574495, 2942280, 3432660, 4119192, 5148990, 6865320, 10297980, 20595960]

約数ペア:

[(1, 20595960), (2, 10297980), (3, 6865320), (4, 5148990), (5, 4119192), (6, 3432660), (7, 2942280), (8, 2574495), (9, 2288440), (10, 2059596), (11, 1872360), (12, 1716330), (14, 1471140), (15, 1373064), (18, 1144220), (20, 1029798), (21, 980760), (22, 936180), (24, 858165), (28, 735570), (30, 686532), (33, 624120), (35, 588456), (36, 572110), (40, 514899), (42, 490380), (44, 468090), (45, 457688), (55, 374472), (56, 367785), (60, 343266), (63, 326920), (66, 312060), (70, 294228), (72, 286055), (77, 267480), (84, 245190), (88, 234045), (90, 228844), (99, 208040), (105, 196152), (110, 187236), (120, 171633), (126, 163460), (132, 156030), (140, 147114), (154, 133740), (165, 124824), (168, 122595), (180, 114422), (198, 104020), (210, 98076), (220, 93618), (231, 89160), (252, 81730), (264, 78015), (280, 73557), (308, 66870), (315, 65384), (330, 62412), (360, 57211), (385, 53496), (396, 52010), (420, 49038), (440, 46809), (462, 44580), (495, 41608), (504, 40865), (616, 33435), (630, 32692), (660, 31206), (693, 29720), (743, 27720), (770, 26748), (792, 26005), (840, 24519), (924, 22290), (990, 20804), (1155, 17832), (1260, 16346), (1320, 15603), (1386, 14860), (1486, 13860), (1540, 13374), (1848, 11145), (1980, 10402), (2229, 9240), (2310, 8916), (2520, 8173), (2772, 7430), (2972, 6930), (3080, 6687), (3465, 5944), (3715, 5544), (3960, 5201), (4458, 4620)]