20826432880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1373}}^1\times {\mathrm{1567}}^1$

素因数の和:2975

約数の個数: 120

約数和(自身を含む): 53296338816

約数和(自身を除く): 32469905936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1373, 1567, 1936, 2420, 2746, 3134, 4840, 5492, 6268, 6865, 7835, 9680, 10984, 12536, 13730, 15103, 15670, 17237, 21968, 25072, 27460, 30206, 31340, 34474, 54920, 60412, 62680, 68948, 75515, 86185, 109840, 120824, 125360, 137896, 151030, 166133, 172370, 189607, 241648, 275792, 302060, 332266, 344740, 379214, 604120, 664532, 689480, 758428, 830665, 948035, 1208240, 1329064, 1378960, 1516856, 1661330, 1896070, 2151491, 2658128, 3033712, 3322660, 3792140, 4302982, 6645320, 7584280, 8605964, 10757455, 13290640, 15168560, 17211928, 21514910, 23666401, 34423856, 43029820, 47332802, 86059640, 94665604, 118332005, 172119280, 189331208, 236664010, 260330411, 378662416, 473328020, 520660822, 946656040, 1041321644, 1301652055, 1893312080, 2082643288, 2603304110, 4165286576, 5206608220, 10413216440, 20826432880]

約数ペア:

[(1, 20826432880), (2, 10413216440), (4, 5206608220), (5, 4165286576), (8, 2603304110), (10, 2082643288), (11, 1893312080), (16, 1301652055), (20, 1041321644), (22, 946656040), (40, 520660822), (44, 473328020), (55, 378662416), (80, 260330411), (88, 236664010), (110, 189331208), (121, 172119280), (176, 118332005), (220, 94665604), (242, 86059640), (440, 47332802), (484, 43029820), (605, 34423856), (880, 23666401), (968, 21514910), (1210, 17211928), (1373, 15168560), (1567, 13290640), (1936, 10757455), (2420, 8605964), (2746, 7584280), (3134, 6645320), (4840, 4302982), (5492, 3792140), (6268, 3322660), (6865, 3033712), (7835, 2658128), (9680, 2151491), (10984, 1896070), (12536, 1661330), (13730, 1516856), (15103, 1378960), (15670, 1329064), (17237, 1208240), (21968, 948035), (25072, 830665), (27460, 758428), (30206, 689480), (31340, 664532), (34474, 604120), (54920, 379214), (60412, 344740), (62680, 332266), (68948, 302060), (75515, 275792), (86185, 241648), (109840, 189607), (120824, 172370), (125360, 166133), (137896, 151030)]