20104290800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{198659}}^1$

素因数の和:198711

約数の個数: 120

約数和(自身を含む): 54982730880

約数和(自身を除く): 34878440080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 176, 184, 200, 220, 230, 253, 275, 368, 400, 440, 460, 506, 550, 575, 880, 920, 1012, 1100, 1150, 1265, 1840, 2024, 2200, 2300, 2530, 4048, 4400, 4600, 5060, 6325, 9200, 10120, 12650, 20240, 25300, 50600, 101200, 198659, 397318, 794636, 993295, 1589272, 1986590, 2185249, 3178544, 3973180, 4370498, 4569157, 4966475, 7946360, 8740996, 9138314, 9932950, 10926245, 15892720, 17481992, 18276628, 19865900, 21852490, 22845785, 34963984, 36553256, 39731800, 43704980, 45691570, 50260727, 54631225, 73106512, 79463600, 87409960, 91383140, 100521454, 109262450, 114228925, 174819920, 182766280, 201042908, 218524900, 228457850, 251303635, 365532560, 402085816, 437049800, 456915700, 502607270, 804171632, 874099600, 913831400, 1005214540, 1256518175, 1827662800, 2010429080, 2513036350, 4020858160, 5026072700, 10052145400, 20104290800]

約数ペア:

[(1, 20104290800), (2, 10052145400), (4, 5026072700), (5, 4020858160), (8, 2513036350), (10, 2010429080), (11, 1827662800), (16, 1256518175), (20, 1005214540), (22, 913831400), (23, 874099600), (25, 804171632), (40, 502607270), (44, 456915700), (46, 437049800), (50, 402085816), (55, 365532560), (80, 251303635), (88, 228457850), (92, 218524900), (100, 201042908), (110, 182766280), (115, 174819920), (176, 114228925), (184, 109262450), (200, 100521454), (220, 91383140), (230, 87409960), (253, 79463600), (275, 73106512), (368, 54631225), (400, 50260727), (440, 45691570), (460, 43704980), (506, 39731800), (550, 36553256), (575, 34963984), (880, 22845785), (920, 21852490), (1012, 19865900), (1100, 18276628), (1150, 17481992), (1265, 15892720), (1840, 10926245), (2024, 9932950), (2200, 9138314), (2300, 8740996), (2530, 7946360), (4048, 4966475), (4400, 4569157), (4600, 4370498), (5060, 3973180), (6325, 3178544), (9200, 2185249), (10120, 1986590), (12650, 1589272), (20240, 993295), (25300, 794636), (50600, 397318), (101200, 198659)]