20020650208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{32063}}^1$

素因数の和:32184

約数の個数: 96

約数和(自身を含む): 45248716800

約数和(自身を除く): 25228066592

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 79, 104, 152, 158, 208, 247, 304, 316, 416, 494, 608, 632, 988, 1027, 1264, 1501, 1976, 2054, 2528, 3002, 3952, 4108, 6004, 7904, 8216, 12008, 16432, 19513, 24016, 32063, 32864, 39026, 48032, 64126, 78052, 128252, 156104, 256504, 312208, 416819, 513008, 609197, 624416, 833638, 1026016, 1218394, 1667276, 2436788, 2532977, 3334552, 4873576, 5065954, 6669104, 7919561, 9747152, 10131908, 13338208, 15839122, 19494304, 20263816, 31678244, 32928701, 40527632, 48126563, 63356488, 65857402, 81055264, 96253126, 126712976, 131714804, 192506252, 253425952, 263429608, 385012504, 526859216, 625645319, 770025008, 1053718432, 1251290638, 1540050016, 2502581276, 5005162552, 10010325104, 20020650208]

約数ペア:

[(1, 20020650208), (2, 10010325104), (4, 5005162552), (8, 2502581276), (13, 1540050016), (16, 1251290638), (19, 1053718432), (26, 770025008), (32, 625645319), (38, 526859216), (52, 385012504), (76, 263429608), (79, 253425952), (104, 192506252), (152, 131714804), (158, 126712976), (208, 96253126), (247, 81055264), (304, 65857402), (316, 63356488), (416, 48126563), (494, 40527632), (608, 32928701), (632, 31678244), (988, 20263816), (1027, 19494304), (1264, 15839122), (1501, 13338208), (1976, 10131908), (2054, 9747152), (2528, 7919561), (3002, 6669104), (3952, 5065954), (4108, 4873576), (6004, 3334552), (7904, 2532977), (8216, 2436788), (12008, 1667276), (16432, 1218394), (19513, 1026016), (24016, 833638), (32063, 624416), (32864, 609197), (39026, 513008), (48032, 416819), (64126, 312208), (78052, 256504), (128252, 156104)]