20844216

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1730

約数の個数: 80

約数和(自身を含む): 61492200

約数和(自身を除く): 40647984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 1693, 2052, 3078, 3386, 4104, 5079, 6156, 6772, 10158, 12312, 13544, 15237, 20316, 30474, 32167, 40632, 45711, 60948, 64334, 91422, 96501, 121896, 128668, 137133, 182844, 193002, 257336, 274266, 289503, 365688, 386004, 548532, 579006, 772008, 868509, 1097064, 1158012, 1737018, 2316024, 2605527, 3474036, 5211054, 6948072, 10422108, 20844216]

約数ペア:

[(1, 20844216), (2, 10422108), (3, 6948072), (4, 5211054), (6, 3474036), (8, 2605527), (9, 2316024), (12, 1737018), (18, 1158012), (19, 1097064), (24, 868509), (27, 772008), (36, 579006), (38, 548532), (54, 386004), (57, 365688), (72, 289503), (76, 274266), (81, 257336), (108, 193002), (114, 182844), (152, 137133), (162, 128668), (171, 121896), (216, 96501), (228, 91422), (324, 64334), (342, 60948), (456, 45711), (513, 40632), (648, 32167), (684, 30474), (1026, 20316), (1368, 15237), (1539, 13544), (1693, 12312), (2052, 10158), (3078, 6772), (3386, 6156), (4104, 5079)]