20085945100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{376847}}^1$

素因数の和:376915

約数の個数: 72

約数和(自身を含む): 48084297408

約数和(自身を除く): 27998352308

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1300, 2050, 2132, 2665, 4100, 5330, 10660, 13325, 26650, 53300, 376847, 753694, 1507388, 1884235, 3768470, 4899011, 7536940, 9421175, 9798022, 15450727, 18842350, 19596044, 24495055, 30901454, 37684700, 48990110, 61802908, 77253635, 97980220, 122475275, 154507270, 200859451, 244950550, 309014540, 386268175, 401718902, 489901100, 772536350, 803437804, 1004297255, 1545072700, 2008594510, 4017189020, 5021486275, 10042972550, 20085945100]

約数ペア:

[(1, 20085945100), (2, 10042972550), (4, 5021486275), (5, 4017189020), (10, 2008594510), (13, 1545072700), (20, 1004297255), (25, 803437804), (26, 772536350), (41, 489901100), (50, 401718902), (52, 386268175), (65, 309014540), (82, 244950550), (100, 200859451), (130, 154507270), (164, 122475275), (205, 97980220), (260, 77253635), (325, 61802908), (410, 48990110), (533, 37684700), (650, 30901454), (820, 24495055), (1025, 19596044), (1066, 18842350), (1300, 15450727), (2050, 9798022), (2132, 9421175), (2665, 7536940), (4100, 4899011), (5330, 3768470), (10660, 1884235), (13325, 1507388), (26650, 753694), (53300, 376847)]