20898444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 39420276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 29, 42, 46, 58, 69, 84, 87, 92, 116, 138, 161, 174, 203, 276, 322, 348, 373, 406, 483, 609, 644, 667, 746, 812, 966, 1119, 1218, 1334, 1492, 1932, 2001, 2238, 2436, 2611, 2668, 4002, 4476, 4669, 5222, 7833, 8004, 8579, 9338, 10444, 10817, 14007, 15666, 17158, 18676, 21634, 25737, 28014, 31332, 32451, 34316, 43268, 51474, 56028, 60053, 64902, 75719, 102948, 120106, 129804, 151438, 180159, 227157, 240212, 248791, 302876, 360318, 454314, 497582, 720636, 746373, 908628, 995164, 1492746, 1741537, 2985492, 3483074, 5224611, 6966148, 10449222, 20898444]

約数ペア:

[(1, 20898444), (2, 10449222), (3, 6966148), (4, 5224611), (6, 3483074), (7, 2985492), (12, 1741537), (14, 1492746), (21, 995164), (23, 908628), (28, 746373), (29, 720636), (42, 497582), (46, 454314), (58, 360318), (69, 302876), (84, 248791), (87, 240212), (92, 227157), (116, 180159), (138, 151438), (161, 129804), (174, 120106), (203, 102948), (276, 75719), (322, 64902), (348, 60053), (373, 56028), (406, 51474), (483, 43268), (609, 34316), (644, 32451), (667, 31332), (746, 28014), (812, 25737), (966, 21634), (1119, 18676), (1218, 17158), (1334, 15666), (1492, 14007), (1932, 10817), (2001, 10444), (2238, 9338), (2436, 8579), (2611, 8004), (2668, 7833), (4002, 5222), (4476, 4669)]