20145793492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{10091}}^1$

素因数の和:10297

約数の個数: 72

約数和(自身を含む): 41119894368

約数和(自身を除く): 20974100876

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 157, 187, 289, 314, 374, 578, 628, 748, 1156, 1727, 2669, 3179, 3454, 5338, 6358, 6908, 10091, 10676, 12716, 20182, 29359, 40364, 45373, 58718, 90746, 111001, 117436, 171547, 181492, 222002, 343094, 444004, 499103, 686188, 998206, 1584287, 1887017, 1996412, 2916299, 3168574, 3774034, 5832598, 6337148, 7548068, 11665196, 17427157, 26932879, 32079289, 34854314, 53865758, 64158578, 69708628, 107731516, 128317156, 296261669, 457858943, 592523338, 915717886, 1185046676, 1831435772, 5036448373, 10072896746, 20145793492]

約数ペア:

[(1, 20145793492), (2, 10072896746), (4, 5036448373), (11, 1831435772), (17, 1185046676), (22, 915717886), (34, 592523338), (44, 457858943), (68, 296261669), (157, 128317156), (187, 107731516), (289, 69708628), (314, 64158578), (374, 53865758), (578, 34854314), (628, 32079289), (748, 26932879), (1156, 17427157), (1727, 11665196), (2669, 7548068), (3179, 6337148), (3454, 5832598), (5338, 3774034), (6358, 3168574), (6908, 2916299), (10091, 1996412), (10676, 1887017), (12716, 1584287), (20182, 998206), (29359, 686188), (40364, 499103), (45373, 444004), (58718, 343094), (90746, 222002), (111001, 181492), (117436, 171547)]