20408889606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{5107}}^1$

素因数の和:5358

約数の個数: 128

約数和(自身を含む): 51370951680

約数和(自身を除く): 30962062074

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 87, 102, 119, 174, 193, 203, 238, 357, 386, 406, 493, 579, 609, 714, 986, 1158, 1218, 1351, 1479, 2702, 2958, 3281, 3451, 4053, 5107, 5597, 6562, 6902, 8106, 9843, 10214, 10353, 11194, 15321, 16791, 19686, 20706, 22967, 30642, 33582, 35749, 39179, 45934, 68901, 71498, 78358, 86819, 95149, 107247, 117537, 137802, 148103, 173638, 190298, 214494, 235074, 260457, 285447, 296206, 444309, 520914, 570894, 607733, 666043, 888618, 985651, 1036721, 1215466, 1332086, 1823199, 1971302, 1998129, 2073442, 2517751, 2956953, 3110163, 3646398, 3996258, 5035502, 5913906, 6220326, 6899557, 7553253, 13799114, 15106506, 16756067, 17624257, 20698671, 28583879, 33512134, 35248514, 41397342, 50268201, 52872771, 57167758, 85751637, 100536402, 105745542, 117292469, 171503274, 200087153, 234584938, 351877407, 400174306, 485925943, 600261459, 703754814, 971851886, 1200522918, 1457777829, 2915555658, 3401481601, 6802963202, 10204444803, 20408889606]

約数ペア:

[(1, 20408889606), (2, 10204444803), (3, 6802963202), (6, 3401481601), (7, 2915555658), (14, 1457777829), (17, 1200522918), (21, 971851886), (29, 703754814), (34, 600261459), (42, 485925943), (51, 400174306), (58, 351877407), (87, 234584938), (102, 200087153), (119, 171503274), (174, 117292469), (193, 105745542), (203, 100536402), (238, 85751637), (357, 57167758), (386, 52872771), (406, 50268201), (493, 41397342), (579, 35248514), (609, 33512134), (714, 28583879), (986, 20698671), (1158, 17624257), (1218, 16756067), (1351, 15106506), (1479, 13799114), (2702, 7553253), (2958, 6899557), (3281, 6220326), (3451, 5913906), (4053, 5035502), (5107, 3996258), (5597, 3646398), (6562, 3110163), (6902, 2956953), (8106, 2517751), (9843, 2073442), (10214, 1998129), (10353, 1971302), (11194, 1823199), (15321, 1332086), (16791, 1215466), (19686, 1036721), (20706, 985651), (22967, 888618), (30642, 666043), (33582, 607733), (35749, 570894), (39179, 520914), (45934, 444309), (68901, 296206), (71498, 285447), (78358, 260457), (86819, 235074), (95149, 214494), (107247, 190298), (117537, 173638), (137802, 148103)]