20199078860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{24907}}^1$

素因数の和:25023

約数の個数: 96

約数和(自身を含む): 46398223872

約数和(自身を除く): 26199145012

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 43, 46, 82, 86, 92, 115, 164, 172, 205, 215, 230, 410, 430, 460, 820, 860, 943, 989, 1763, 1886, 1978, 3526, 3772, 3956, 4715, 4945, 7052, 8815, 9430, 9890, 17630, 18860, 19780, 24907, 35260, 40549, 49814, 81098, 99628, 124535, 162196, 202745, 249070, 405490, 498140, 572861, 810980, 1021187, 1071001, 1145722, 2042374, 2142002, 2291444, 2864305, 4084748, 4284004, 5105935, 5355005, 5728610, 10211870, 10710010, 11457220, 20423740, 21420020, 23487301, 24633023, 43911041, 46974602, 49266046, 87822082, 93949204, 98532092, 117436505, 123165115, 175644164, 219555205, 234873010, 246330230, 439110410, 469746020, 492660460, 878220820, 1009953943, 2019907886, 4039815772, 5049769715, 10099539430, 20199078860]

約数ペア:

[(1, 20199078860), (2, 10099539430), (4, 5049769715), (5, 4039815772), (10, 2019907886), (20, 1009953943), (23, 878220820), (41, 492660460), (43, 469746020), (46, 439110410), (82, 246330230), (86, 234873010), (92, 219555205), (115, 175644164), (164, 123165115), (172, 117436505), (205, 98532092), (215, 93949204), (230, 87822082), (410, 49266046), (430, 46974602), (460, 43911041), (820, 24633023), (860, 23487301), (943, 21420020), (989, 20423740), (1763, 11457220), (1886, 10710010), (1978, 10211870), (3526, 5728610), (3772, 5355005), (3956, 5105935), (4715, 4284004), (4945, 4084748), (7052, 2864305), (8815, 2291444), (9430, 2142002), (9890, 2042374), (17630, 1145722), (18860, 1071001), (19780, 1021187), (24907, 810980), (35260, 572861), (40549, 498140), (49814, 405490), (81098, 249070), (99628, 202745), (124535, 162196)]