20161521828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{2819}}^1$

素因数の和:3218

約数の個数: 144

約数和(自身を含む): 59051341440

約数和(自身を除く): 38889819612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 281, 303, 404, 562, 606, 707, 843, 909, 1124, 1212, 1414, 1686, 1818, 1967, 2121, 2529, 2819, 2828, 3372, 3636, 3934, 4242, 5058, 5638, 5901, 6363, 7868, 8457, 8484, 10116, 11276, 11802, 12726, 16914, 17703, 19733, 23604, 25371, 25452, 28381, 33828, 35406, 39466, 50742, 56762, 59199, 70812, 78932, 85143, 101484, 113524, 118398, 170286, 177597, 198667, 236796, 255429, 284719, 340572, 355194, 397334, 510858, 569438, 596001, 710388, 792139, 794668, 854157, 1021716, 1138876, 1192002, 1584278, 1708314, 1788003, 1993033, 2376417, 2384004, 2562471, 3168556, 3416628, 3576006, 3986066, 4752834, 5124942, 5544973, 5979099, 7129251, 7152012, 7972132, 9505668, 10249884, 11089946, 11958198, 14258502, 16634919, 17937297, 22179892, 23916396, 28517004, 33269838, 35874594, 49904757, 66539676, 71749188, 80006039, 99809514, 160012078, 199619028, 240018117, 320024156, 480036234, 560042273, 720054351, 960072468, 1120084546, 1440108702, 1680126819, 2240169092, 2880217404, 3360253638, 5040380457, 6720507276, 10080760914, 20161521828]

約数ペア:

[(1, 20161521828), (2, 10080760914), (3, 6720507276), (4, 5040380457), (6, 3360253638), (7, 2880217404), (9, 2240169092), (12, 1680126819), (14, 1440108702), (18, 1120084546), (21, 960072468), (28, 720054351), (36, 560042273), (42, 480036234), (63, 320024156), (84, 240018117), (101, 199619028), (126, 160012078), (202, 99809514), (252, 80006039), (281, 71749188), (303, 66539676), (404, 49904757), (562, 35874594), (606, 33269838), (707, 28517004), (843, 23916396), (909, 22179892), (1124, 17937297), (1212, 16634919), (1414, 14258502), (1686, 11958198), (1818, 11089946), (1967, 10249884), (2121, 9505668), (2529, 7972132), (2819, 7152012), (2828, 7129251), (3372, 5979099), (3636, 5544973), (3934, 5124942), (4242, 4752834), (5058, 3986066), (5638, 3576006), (5901, 3416628), (6363, 3168556), (7868, 2562471), (8457, 2384004), (8484, 2376417), (10116, 1993033), (11276, 1788003), (11802, 1708314), (12726, 1584278), (16914, 1192002), (17703, 1138876), (19733, 1021716), (23604, 854157), (25371, 794668), (25452, 792139), (28381, 710388), (33828, 596001), (35406, 569438), (39466, 510858), (50742, 397334), (56762, 355194), (59199, 340572), (70812, 284719), (78932, 255429), (85143, 236796), (101484, 198667), (113524, 177597), (118398, 170286)]