20149734124

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{4987}}^1$

素因数の和:5199

約数の個数: 72

約数和(自身を含む): 39360108480

約数和(自身を除く): 19210374356

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 139, 169, 172, 278, 338, 556, 559, 676, 1118, 1807, 2236, 3614, 4987, 5977, 7228, 7267, 9974, 11954, 14534, 19948, 23491, 23908, 29068, 46982, 64831, 77701, 93964, 129662, 155402, 214441, 259324, 310804, 428882, 693193, 842803, 857764, 1010113, 1386386, 1685606, 2020226, 2772772, 2787733, 3371212, 4040452, 5575466, 9011509, 11150932, 18023018, 29807299, 36046036, 36240529, 59614598, 72481058, 117149617, 119229196, 144962116, 234299234, 387494887, 468598468, 774989774, 1549979548, 5037433531, 10074867062, 20149734124]

約数ペア:

[(1, 20149734124), (2, 10074867062), (4, 5037433531), (13, 1549979548), (26, 774989774), (43, 468598468), (52, 387494887), (86, 234299234), (139, 144962116), (169, 119229196), (172, 117149617), (278, 72481058), (338, 59614598), (556, 36240529), (559, 36046036), (676, 29807299), (1118, 18023018), (1807, 11150932), (2236, 9011509), (3614, 5575466), (4987, 4040452), (5977, 3371212), (7228, 2787733), (7267, 2772772), (9974, 2020226), (11954, 1685606), (14534, 1386386), (19948, 1010113), (23491, 857764), (23908, 842803), (29068, 693193), (46982, 428882), (64831, 310804), (77701, 259324), (93964, 214441), (129662, 155402)]