20778858760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1567}}^1\times {\mathrm{30137}}^1$

素因数の和:31726

約数の個数: 64

約数和(自身を含む): 51036894720

約数和(自身を除く): 30258035960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1567, 3134, 6268, 7835, 12536, 15670, 17237, 30137, 31340, 34474, 60274, 62680, 68948, 86185, 120548, 137896, 150685, 172370, 241096, 301370, 331507, 344740, 602740, 663014, 689480, 1205480, 1326028, 1657535, 2652056, 3315070, 6630140, 13260280, 47224679, 94449358, 188898716, 236123395, 377797432, 472246790, 519471469, 944493580, 1038942938, 1888987160, 2077885876, 2597357345, 4155771752, 5194714690, 10389429380, 20778858760]

約数ペア:

[(1, 20778858760), (2, 10389429380), (4, 5194714690), (5, 4155771752), (8, 2597357345), (10, 2077885876), (11, 1888987160), (20, 1038942938), (22, 944493580), (40, 519471469), (44, 472246790), (55, 377797432), (88, 236123395), (110, 188898716), (220, 94449358), (440, 47224679), (1567, 13260280), (3134, 6630140), (6268, 3315070), (7835, 2652056), (12536, 1657535), (15670, 1326028), (17237, 1205480), (30137, 689480), (31340, 663014), (34474, 602740), (60274, 344740), (62680, 331507), (68948, 301370), (86185, 241096), (120548, 172370), (137896, 150685)]