20196768390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1\times {\mathrm{743}}^1$

素因数の和:1338

約数の個数: 128

約数和(自身を含む): 51699548160

約数和(自身を除く): 31502779770

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 103, 114, 190, 206, 285, 309, 463, 515, 570, 618, 743, 926, 1030, 1389, 1486, 1545, 1957, 2229, 2315, 2778, 3090, 3715, 3914, 4458, 4630, 5871, 6945, 7430, 8797, 9785, 11145, 11742, 13890, 14117, 17594, 19570, 22290, 26391, 28234, 29355, 42351, 43985, 47689, 52782, 58710, 70585, 76529, 84702, 87970, 95378, 131955, 141170, 143067, 153058, 211755, 229587, 238445, 263910, 286134, 344009, 382645, 423510, 459174, 476890, 688018, 715335, 765290, 906091, 1032027, 1147935, 1430670, 1454051, 1720045, 1812182, 2064054, 2295870, 2718273, 2908102, 3440090, 4362153, 4530455, 5160135, 5436546, 6536171, 7270255, 8724306, 9060910, 10320270, 13072342, 13591365, 14540510, 19608513, 21810765, 27182730, 32680855, 35432927, 39217026, 43621530, 65361710, 70865854, 98042565, 106298781, 177164635, 196085130, 212597562, 354329270, 531493905, 673225613, 1062987810, 1346451226, 2019676839, 3366128065, 4039353678, 6732256130, 10098384195, 20196768390]

約数ペア:

[(1, 20196768390), (2, 10098384195), (3, 6732256130), (5, 4039353678), (6, 3366128065), (10, 2019676839), (15, 1346451226), (19, 1062987810), (30, 673225613), (38, 531493905), (57, 354329270), (95, 212597562), (103, 196085130), (114, 177164635), (190, 106298781), (206, 98042565), (285, 70865854), (309, 65361710), (463, 43621530), (515, 39217026), (570, 35432927), (618, 32680855), (743, 27182730), (926, 21810765), (1030, 19608513), (1389, 14540510), (1486, 13591365), (1545, 13072342), (1957, 10320270), (2229, 9060910), (2315, 8724306), (2778, 7270255), (3090, 6536171), (3715, 5436546), (3914, 5160135), (4458, 4530455), (4630, 4362153), (5871, 3440090), (6945, 2908102), (7430, 2718273), (8797, 2295870), (9785, 2064054), (11145, 1812182), (11742, 1720045), (13890, 1454051), (14117, 1430670), (17594, 1147935), (19570, 1032027), (22290, 906091), (26391, 765290), (28234, 715335), (29355, 688018), (42351, 476890), (43985, 459174), (47689, 423510), (52782, 382645), (58710, 344009), (70585, 286134), (76529, 263910), (84702, 238445), (87970, 229587), (95378, 211755), (131955, 153058), (141170, 143067)]