20131663100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 46707010560

約数和(自身を除く): 26575347460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 53, 92, 100, 106, 115, 212, 230, 239, 265, 460, 478, 530, 575, 691, 956, 1060, 1150, 1195, 1219, 1325, 1382, 2300, 2390, 2438, 2650, 2764, 3455, 4780, 4876, 5300, 5497, 5975, 6095, 6910, 10994, 11950, 12190, 12667, 13820, 15893, 17275, 21988, 23900, 24380, 25334, 27485, 30475, 31786, 34550, 36623, 50668, 54970, 60950, 63335, 63572, 69100, 73246, 79465, 109940, 121900, 126670, 137425, 146492, 158930, 165149, 183115, 253340, 274850, 291341, 316675, 317860, 330298, 366230, 397325, 549700, 582682, 633350, 660596, 732460, 794650, 825745, 842329, 915575, 1165364, 1266700, 1456705, 1589300, 1651490, 1684658, 1831150, 2913410, 3302980, 3369316, 3662300, 3798427, 4128725, 4211645, 5826820, 7283525, 7596854, 8257450, 8423290, 8752897, 14567050, 15193708, 16514900, 16846580, 17505794, 18992135, 21058225, 29134100, 35011588, 37984270, 42116450, 43764485, 75968540, 84232900, 87528970, 94960675, 175057940, 189921350, 201316631, 218822425, 379842700, 402633262, 437644850, 805266524, 875289700, 1006583155, 2013166310, 4026332620, 5032915775, 10065831550, 20131663100]

約数ペア:

[(1, 20131663100), (2, 10065831550), (4, 5032915775), (5, 4026332620), (10, 2013166310), (20, 1006583155), (23, 875289700), (25, 805266524), (46, 437644850), (50, 402633262), (53, 379842700), (92, 218822425), (100, 201316631), (106, 189921350), (115, 175057940), (212, 94960675), (230, 87528970), (239, 84232900), (265, 75968540), (460, 43764485), (478, 42116450), (530, 37984270), (575, 35011588), (691, 29134100), (956, 21058225), (1060, 18992135), (1150, 17505794), (1195, 16846580), (1219, 16514900), (1325, 15193708), (1382, 14567050), (2300, 8752897), (2390, 8423290), (2438, 8257450), (2650, 7596854), (2764, 7283525), (3455, 5826820), (4780, 4211645), (4876, 4128725), (5300, 3798427), (5497, 3662300), (5975, 3369316), (6095, 3302980), (6910, 2913410), (10994, 1831150), (11950, 1684658), (12190, 1651490), (12667, 1589300), (13820, 1456705), (15893, 1266700), (17275, 1165364), (21988, 915575), (23900, 842329), (24380, 825745), (25334, 794650), (27485, 732460), (30475, 660596), (31786, 633350), (34550, 582682), (36623, 549700), (50668, 397325), (54970, 366230), (60950, 330298), (63335, 317860), (63572, 316675), (69100, 291341), (73246, 274850), (79465, 253340), (109940, 183115), (121900, 165149), (126670, 158930), (137425, 146492)]