20168737984

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{1867}}^1\times {\mathrm{9929}}^1$

素因数の和:11825

約数の個数: 56

約数和(自身を含む): 42403562640

約数和(自身を除く): 22234824656

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 1867, 3734, 7468, 9929, 14936, 19858, 29872, 31739, 39716, 59744, 63478, 79432, 119488, 126956, 158864, 168793, 253912, 317728, 337586, 507824, 635456, 675172, 1015648, 1350344, 2031296, 2700688, 5401376, 10802752, 18537443, 37074886, 74149772, 148299544, 296599088, 315136531, 593198176, 630273062, 1186396352, 1260546124, 2521092248, 5042184496, 10084368992, 20168737984]

約数ペア:

[(1, 20168737984), (2, 10084368992), (4, 5042184496), (8, 2521092248), (16, 1260546124), (17, 1186396352), (32, 630273062), (34, 593198176), (64, 315136531), (68, 296599088), (136, 148299544), (272, 74149772), (544, 37074886), (1088, 18537443), (1867, 10802752), (3734, 5401376), (7468, 2700688), (9929, 2031296), (14936, 1350344), (19858, 1015648), (29872, 675172), (31739, 635456), (39716, 507824), (59744, 337586), (63478, 317728), (79432, 253912), (119488, 168793), (126956, 158864)]