20147208315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:733

約数の個数: 128

約数和(自身を含む): 37351695360

約数和(自身を除く): 17204487045

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 73, 95, 163, 195, 219, 247, 285, 365, 457, 489, 741, 815, 949, 1095, 1235, 1371, 1387, 2119, 2285, 2445, 2847, 3097, 3705, 4161, 4745, 5941, 6357, 6855, 6935, 8683, 9291, 10595, 11899, 14235, 15485, 17823, 18031, 20805, 26049, 29705, 31785, 33361, 35697, 40261, 43415, 46455, 54093, 59495, 74491, 89115, 90155, 100083, 112879, 120783, 130245, 154687, 166805, 178485, 201305, 223473, 226081, 270465, 338637, 372455, 433693, 464061, 500415, 564395, 603915, 633859, 678243, 773435, 968383, 1117365, 1130405, 1301079, 1415329, 1693185, 1901577, 2168465, 2320305, 2905149, 2939053, 3169295, 3391215, 4245987, 4841915, 5437843, 6505395, 7076645, 8240167, 8817159, 9507885, 14525745, 14695265, 16313529, 18399277, 21229935, 24720501, 27189215, 41200835, 44085795, 55197831, 70691959, 81567645, 91996385, 103319017, 123602505, 212075877, 275989155, 309957051, 353459795, 516595085, 1060379385, 1343147221, 1549785255, 4029441663, 6715736105, 20147208315]

約数ペア:

[(1, 20147208315), (3, 6715736105), (5, 4029441663), (13, 1549785255), (15, 1343147221), (19, 1060379385), (39, 516595085), (57, 353459795), (65, 309957051), (73, 275989155), (95, 212075877), (163, 123602505), (195, 103319017), (219, 91996385), (247, 81567645), (285, 70691959), (365, 55197831), (457, 44085795), (489, 41200835), (741, 27189215), (815, 24720501), (949, 21229935), (1095, 18399277), (1235, 16313529), (1371, 14695265), (1387, 14525745), (2119, 9507885), (2285, 8817159), (2445, 8240167), (2847, 7076645), (3097, 6505395), (3705, 5437843), (4161, 4841915), (4745, 4245987), (5941, 3391215), (6357, 3169295), (6855, 2939053), (6935, 2905149), (8683, 2320305), (9291, 2168465), (10595, 1901577), (11899, 1693185), (14235, 1415329), (15485, 1301079), (17823, 1130405), (18031, 1117365), (20805, 968383), (26049, 773435), (29705, 678243), (31785, 633859), (33361, 603915), (35697, 564395), (40261, 500415), (43415, 464061), (46455, 433693), (54093, 372455), (59495, 338637), (74491, 270465), (89115, 226081), (90155, 223473), (100083, 201305), (112879, 178485), (120783, 166805), (130245, 154687)]