20210727215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1\times {\mathrm{947}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 29705011200

約数和(自身を除く): 9494283985

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 469, 479, 665, 947, 1273, 2345, 2395, 3353, 4735, 6365, 6629, 8911, 9101, 16765, 17993, 32093, 33145, 44555, 45505, 63449, 63707, 89965, 125951, 160465, 224651, 317245, 318535, 444143, 453613, 609767, 629755, 1123255, 1205531, 2220715, 2268065, 3048835, 3175291, 4268369, 6027655, 8438717, 8618647, 15876455, 21341845, 30392071, 42193585, 43093235, 60330529, 151960355, 212744497, 301652645, 577449349, 1063722485, 2887246745, 4042145443, 20210727215]

約数ペア:

[(1, 20210727215), (5, 4042145443), (7, 2887246745), (19, 1063722485), (35, 577449349), (67, 301652645), (95, 212744497), (133, 151960355), (335, 60330529), (469, 43093235), (479, 42193585), (665, 30392071), (947, 21341845), (1273, 15876455), (2345, 8618647), (2395, 8438717), (3353, 6027655), (4735, 4268369), (6365, 3175291), (6629, 3048835), (8911, 2268065), (9101, 2220715), (16765, 1205531), (17993, 1123255), (32093, 629755), (33145, 609767), (44555, 453613), (45505, 444143), (63449, 318535), (63707, 317245), (89965, 224651), (125951, 160465)]