2020178170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1267

約数の個数: 64

約数和(自身を含む): 3969142560

約数和(自身を除く): 1948964390

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 397, 629, 794, 809, 1258, 1618, 1985, 3145, 3970, 4045, 6290, 6749, 8090, 13498, 13753, 14689, 27506, 29378, 29933, 33745, 59866, 67490, 68765, 73445, 137530, 146890, 149665, 249713, 299330, 321173, 499426, 508861, 642346, 1017722, 1248565, 1605865, 2497130, 2544305, 3211730, 5088610, 5459941, 10919882, 11883401, 23766802, 27299705, 54599410, 59417005, 118834010, 202017817, 404035634, 1010089085, 2020178170]

約数ペア:

[(1, 2020178170), (2, 1010089085), (5, 404035634), (10, 202017817), (17, 118834010), (34, 59417005), (37, 54599410), (74, 27299705), (85, 23766802), (170, 11883401), (185, 10919882), (370, 5459941), (397, 5088610), (629, 3211730), (794, 2544305), (809, 2497130), (1258, 1605865), (1618, 1248565), (1985, 1017722), (3145, 642346), (3970, 508861), (4045, 499426), (6290, 321173), (6749, 299330), (8090, 249713), (13498, 149665), (13753, 146890), (14689, 137530), (27506, 73445), (29378, 68765), (29933, 67490), (33745, 59866)]