20170981628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{1291}}^1$

素因数の和:2047

約数の個数: 96

約数和(自身を含む): 43550115840

約数和(自身を除く): 23379134212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 683, 817, 1204, 1291, 1366, 1634, 2582, 2732, 3268, 4781, 5164, 5719, 9037, 9562, 11438, 12977, 18074, 19124, 22876, 24529, 25954, 29369, 36148, 49058, 51908, 55513, 58738, 90839, 98116, 111026, 117476, 171703, 181678, 205583, 222052, 343406, 363356, 388591, 411166, 558011, 686812, 777182, 822332, 881753, 1054747, 1116022, 1554364, 1763506, 2109494, 2232044, 3527012, 3906077, 4218988, 6172271, 7383229, 7812154, 12344542, 14766458, 15624308, 16753307, 24689084, 29532916, 33506614, 37915379, 67013228, 75830758, 117273149, 151661516, 234546298, 265407653, 469092596, 530815306, 720392201, 1061630612, 1440784402, 2881568804, 5042745407, 10085490814, 20170981628]

約数ペア:

[(1, 20170981628), (2, 10085490814), (4, 5042745407), (7, 2881568804), (14, 1440784402), (19, 1061630612), (28, 720392201), (38, 530815306), (43, 469092596), (76, 265407653), (86, 234546298), (133, 151661516), (172, 117273149), (266, 75830758), (301, 67013228), (532, 37915379), (602, 33506614), (683, 29532916), (817, 24689084), (1204, 16753307), (1291, 15624308), (1366, 14766458), (1634, 12344542), (2582, 7812154), (2732, 7383229), (3268, 6172271), (4781, 4218988), (5164, 3906077), (5719, 3527012), (9037, 2232044), (9562, 2109494), (11438, 1763506), (12977, 1554364), (18074, 1116022), (19124, 1054747), (22876, 881753), (24529, 822332), (25954, 777182), (29369, 686812), (36148, 558011), (49058, 411166), (51908, 388591), (55513, 363356), (58738, 343406), (90839, 222052), (98116, 205583), (111026, 181678), (117476, 171703)]