20932149

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 11968971

約数列:

[1, 3, 7, 21, 71, 101, 139, 213, 303, 417, 497, 707, 973, 1491, 2121, 2919, 7171, 9869, 14039, 21513, 29607, 42117, 50197, 69083, 98273, 150591, 207249, 294819, 996769, 2990307, 6977383, 20932149]

約数ペア:

[(1, 20932149), (3, 6977383), (7, 2990307), (21, 996769), (71, 294819), (101, 207249), (139, 150591), (213, 98273), (303, 69083), (417, 50197), (497, 42117), (707, 29607), (973, 21513), (1491, 14039), (2121, 9869), (2919, 7171)]