20315511684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{291337}}^1$

素因数の和:291509

約数の個数: 72

約数和(自身を含む): 55674691800

約数和(自身を除く): 35359180116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 468, 596, 894, 1341, 1788, 1937, 2682, 3874, 5364, 5811, 7748, 11622, 17433, 23244, 34866, 69732, 291337, 582674, 874011, 1165348, 1748022, 2622033, 3496044, 3787381, 5244066, 7574762, 10488132, 11362143, 15149524, 22724286, 34086429, 43409213, 45448572, 68172858, 86818426, 130227639, 136345716, 173636852, 260455278, 390682917, 520910556, 564319769, 781365834, 1128639538, 1562731668, 1692959307, 2257279076, 3385918614, 5078877921, 6771837228, 10157755842, 20315511684]

約数ペア:

[(1, 20315511684), (2, 10157755842), (3, 6771837228), (4, 5078877921), (6, 3385918614), (9, 2257279076), (12, 1692959307), (13, 1562731668), (18, 1128639538), (26, 781365834), (36, 564319769), (39, 520910556), (52, 390682917), (78, 260455278), (117, 173636852), (149, 136345716), (156, 130227639), (234, 86818426), (298, 68172858), (447, 45448572), (468, 43409213), (596, 34086429), (894, 22724286), (1341, 15149524), (1788, 11362143), (1937, 10488132), (2682, 7574762), (3874, 5244066), (5364, 3787381), (5811, 3496044), (7748, 2622033), (11622, 1748022), (17433, 1165348), (23244, 874011), (34866, 582674), (69732, 291337)]