20176263068

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{7873}}^1$

素因数の和:8143

約数の個数: 72

約数和(自身を含む): 40669147008

約数和(自身を除く): 20492883940

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 223, 338, 442, 446, 676, 884, 892, 2873, 2899, 3791, 5746, 5798, 7582, 7873, 11492, 11596, 15164, 15746, 31492, 37687, 49283, 75374, 98566, 102349, 133841, 150748, 197132, 204698, 267682, 409396, 535364, 640679, 1281358, 1330537, 1739933, 1755679, 2562716, 2661074, 3479866, 3511358, 5322148, 6959732, 7022716, 22619129, 22823827, 29846543, 45238258, 45647654, 59693086, 90476516, 91295308, 119386172, 296709751, 388005059, 593419502, 776010118, 1186839004, 1552020236, 5044065767, 10088131534, 20176263068]

約数ペア:

[(1, 20176263068), (2, 10088131534), (4, 5044065767), (13, 1552020236), (17, 1186839004), (26, 776010118), (34, 593419502), (52, 388005059), (68, 296709751), (169, 119386172), (221, 91295308), (223, 90476516), (338, 59693086), (442, 45647654), (446, 45238258), (676, 29846543), (884, 22823827), (892, 22619129), (2873, 7022716), (2899, 6959732), (3791, 5322148), (5746, 3511358), (5798, 3479866), (7582, 2661074), (7873, 2562716), (11492, 1755679), (11596, 1739933), (15164, 1330537), (15746, 1281358), (31492, 640679), (37687, 535364), (49283, 409396), (75374, 267682), (98566, 204698), (102349, 197132), (133841, 150748)]