20580729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 30914688

約数和(自身を除く): 10333959

約数列:

[1, 3, 13, 39, 41, 61, 123, 183, 211, 533, 633, 793, 1599, 2379, 2501, 2743, 7503, 8229, 8651, 12871, 25953, 32513, 38613, 97539, 112463, 167323, 337389, 501969, 527711, 1583133, 6860243, 20580729]

約数ペア:

[(1, 20580729), (3, 6860243), (13, 1583133), (39, 527711), (41, 501969), (61, 337389), (123, 167323), (183, 112463), (211, 97539), (533, 38613), (633, 32513), (793, 25953), (1599, 12871), (2379, 8651), (2501, 8229), (2743, 7503)]