20754344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 42162120

約数和(自身を除く): 21407776

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1013, 1576, 2026, 2561, 4052, 5122, 8104, 10244, 13169, 20488, 26338, 52676, 105352, 199561, 399122, 798244, 1596488, 2594293, 5188586, 10377172, 20754344]

約数ペア:

[(1, 20754344), (2, 10377172), (4, 5188586), (8, 2594293), (13, 1596488), (26, 798244), (52, 399122), (104, 199561), (197, 105352), (394, 52676), (788, 26338), (1013, 20488), (1576, 13169), (2026, 10244), (2561, 8104), (4052, 5122)]