20192484688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{2971}}^1$

素因数の和:3360

約数の個数: 80

約数和(自身を含む): 41864780800

約数和(自身を除く): 21672296112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 283, 304, 316, 566, 632, 1132, 1264, 1501, 2264, 2971, 3002, 4528, 5377, 5942, 6004, 10754, 11884, 12008, 21508, 22357, 23768, 24016, 43016, 44714, 47536, 56449, 86032, 89428, 112898, 178856, 225796, 234709, 357712, 424783, 451592, 469418, 840793, 849566, 903184, 938836, 1681586, 1699132, 1877672, 3363172, 3398264, 3755344, 4459471, 6726344, 6796528, 8918942, 13452688, 15975067, 17837884, 31950134, 35675768, 63900268, 66422647, 71351536, 127800536, 132845294, 255601072, 265690588, 531381176, 1062762352, 1262030293, 2524060586, 5048121172, 10096242344, 20192484688]

約数ペア:

[(1, 20192484688), (2, 10096242344), (4, 5048121172), (8, 2524060586), (16, 1262030293), (19, 1062762352), (38, 531381176), (76, 265690588), (79, 255601072), (152, 132845294), (158, 127800536), (283, 71351536), (304, 66422647), (316, 63900268), (566, 35675768), (632, 31950134), (1132, 17837884), (1264, 15975067), (1501, 13452688), (2264, 8918942), (2971, 6796528), (3002, 6726344), (4528, 4459471), (5377, 3755344), (5942, 3398264), (6004, 3363172), (10754, 1877672), (11884, 1699132), (12008, 1681586), (21508, 938836), (22357, 903184), (23768, 849566), (24016, 840793), (43016, 469418), (44714, 451592), (47536, 424783), (56449, 357712), (86032, 234709), (89428, 225796), (112898, 178856)]