20213365515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{88591}}^1$

素因数の和:88700

約数の個数: 64

約数和(自身を含む): 38577917952

約数和(自身を除く): 18364552437

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 53, 105, 123, 159, 205, 265, 287, 371, 615, 795, 861, 1113, 1435, 1855, 2173, 4305, 5565, 6519, 10865, 15211, 32595, 45633, 76055, 88591, 228165, 265773, 442955, 620137, 1328865, 1860411, 3100685, 3632231, 4695323, 9302055, 10896693, 14085969, 18161155, 23476615, 25425617, 32867261, 54483465, 70429845, 76276851, 98601783, 127128085, 164336305, 192508243, 381384255, 493008915, 577524729, 962541215, 1347557701, 2887623645, 4042673103, 6737788505, 20213365515]

約数ペア:

[(1, 20213365515), (3, 6737788505), (5, 4042673103), (7, 2887623645), (15, 1347557701), (21, 962541215), (35, 577524729), (41, 493008915), (53, 381384255), (105, 192508243), (123, 164336305), (159, 127128085), (205, 98601783), (265, 76276851), (287, 70429845), (371, 54483465), (615, 32867261), (795, 25425617), (861, 23476615), (1113, 18161155), (1435, 14085969), (1855, 10896693), (2173, 9302055), (4305, 4695323), (5565, 3632231), (6519, 3100685), (10865, 1860411), (15211, 1328865), (32595, 620137), (45633, 442955), (76055, 265773), (88591, 228165)]