20179926921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{130973}}^1$

素因数の和:131046

約数の個数: 64

約数和(自身を含む): 36211691520

約数和(自身を除く): 16031764599

約数列:

[1, 3, 7, 11, 21, 23, 29, 33, 69, 77, 87, 161, 203, 231, 253, 319, 483, 609, 667, 759, 957, 1771, 2001, 2233, 4669, 5313, 6699, 7337, 14007, 22011, 51359, 130973, 154077, 392919, 916811, 1440703, 2750433, 3012379, 3798217, 4322109, 9037137, 10084921, 11394651, 21086653, 26587519, 30254763, 33136169, 41780387, 63259959, 79762557, 87358991, 99408507, 125341161, 231953183, 262076973, 292462709, 611512937, 695859549, 877388127, 960948901, 1834538811, 2882846703, 6726642307, 20179926921]

約数ペア:

[(1, 20179926921), (3, 6726642307), (7, 2882846703), (11, 1834538811), (21, 960948901), (23, 877388127), (29, 695859549), (33, 611512937), (69, 292462709), (77, 262076973), (87, 231953183), (161, 125341161), (203, 99408507), (231, 87358991), (253, 79762557), (319, 63259959), (483, 41780387), (609, 33136169), (667, 30254763), (759, 26587519), (957, 21086653), (1771, 11394651), (2001, 10084921), (2233, 9037137), (4669, 4322109), (5313, 3798217), (6699, 3012379), (7337, 2750433), (14007, 1440703), (22011, 916811), (51359, 392919), (130973, 154077)]