20170356520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{196439}}^1$

素因数の和:196618

約数の個数: 64

約数和(自身を含む): 48371385600

約数和(自身を除く): 28201029080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 302, 340, 604, 680, 755, 1208, 1510, 2567, 3020, 5134, 6040, 10268, 12835, 20536, 25670, 51340, 102680, 196439, 392878, 785756, 982195, 1571512, 1964390, 3339463, 3928780, 6678926, 7857560, 13357852, 16697315, 26715704, 29662289, 33394630, 59324578, 66789260, 118649156, 133578520, 148311445, 237298312, 296622890, 504258913, 593245780, 1008517826, 1186491560, 2017035652, 2521294565, 4034071304, 5042589130, 10085178260, 20170356520]

約数ペア:

[(1, 20170356520), (2, 10085178260), (4, 5042589130), (5, 4034071304), (8, 2521294565), (10, 2017035652), (17, 1186491560), (20, 1008517826), (34, 593245780), (40, 504258913), (68, 296622890), (85, 237298312), (136, 148311445), (151, 133578520), (170, 118649156), (302, 66789260), (340, 59324578), (604, 33394630), (680, 29662289), (755, 26715704), (1208, 16697315), (1510, 13357852), (2567, 7857560), (3020, 6678926), (5134, 3928780), (6040, 3339463), (10268, 1964390), (12835, 1571512), (20536, 982195), (25670, 785756), (51340, 392878), (102680, 196439)]