20778815526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{7757}}^1$

素因数の和:7898

約数の個数: 128

約数和(自身を含む): 51478364160

約数和(自身を除く): 30699548634

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 47, 59, 69, 94, 118, 138, 141, 161, 177, 282, 322, 329, 354, 413, 483, 658, 826, 966, 987, 1081, 1239, 1357, 1974, 2162, 2478, 2714, 2773, 3243, 4071, 5546, 6486, 7567, 7757, 8142, 8319, 9499, 15134, 15514, 16638, 18998, 19411, 22701, 23271, 28497, 38822, 45402, 46542, 54299, 56994, 58233, 63779, 108598, 116466, 127558, 162897, 178411, 191337, 325794, 356822, 364579, 382674, 446453, 457663, 535233, 729158, 892906, 915326, 1070466, 1093737, 1248877, 1339359, 1372989, 2187474, 2497754, 2552053, 2678718, 2745978, 3203641, 3746631, 5104106, 6407282, 7493262, 7656159, 8385317, 9610923, 10526249, 15312318, 16770634, 19221846, 21052498, 21510161, 25155951, 31578747, 43020322, 50311902, 58697219, 63157494, 64530483, 73683743, 117394438, 129060966, 147367486, 150571127, 176091657, 221051229, 301142254, 352183314, 442102458, 451713381, 494733703, 903426762, 989467406, 1484201109, 2968402218, 3463135921, 6926271842, 10389407763, 20778815526]

約数ペア:

[(1, 20778815526), (2, 10389407763), (3, 6926271842), (6, 3463135921), (7, 2968402218), (14, 1484201109), (21, 989467406), (23, 903426762), (42, 494733703), (46, 451713381), (47, 442102458), (59, 352183314), (69, 301142254), (94, 221051229), (118, 176091657), (138, 150571127), (141, 147367486), (161, 129060966), (177, 117394438), (282, 73683743), (322, 64530483), (329, 63157494), (354, 58697219), (413, 50311902), (483, 43020322), (658, 31578747), (826, 25155951), (966, 21510161), (987, 21052498), (1081, 19221846), (1239, 16770634), (1357, 15312318), (1974, 10526249), (2162, 9610923), (2478, 8385317), (2714, 7656159), (2773, 7493262), (3243, 6407282), (4071, 5104106), (5546, 3746631), (6486, 3203641), (7567, 2745978), (7757, 2678718), (8142, 2552053), (8319, 2497754), (9499, 2187474), (15134, 1372989), (15514, 1339359), (16638, 1248877), (18998, 1093737), (19411, 1070466), (22701, 915326), (23271, 892906), (28497, 729158), (38822, 535233), (45402, 457663), (46542, 446453), (54299, 382674), (56994, 364579), (58233, 356822), (63779, 325794), (108598, 191337), (116466, 178411), (127558, 162897)]