20151736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23393864

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 83, 88, 89, 124, 166, 178, 248, 332, 341, 356, 664, 682, 712, 913, 979, 1364, 1826, 1958, 2573, 2728, 2759, 3652, 3916, 5146, 5518, 7304, 7387, 7832, 10292, 11036, 14774, 20584, 22072, 28303, 29548, 30349, 56606, 59096, 60698, 81257, 113212, 121396, 162514, 226424, 228997, 242792, 325028, 457994, 650056, 915988, 1831976, 2518967, 5037934, 10075868, 20151736]

約数ペア:

[(1, 20151736), (2, 10075868), (4, 5037934), (8, 2518967), (11, 1831976), (22, 915988), (31, 650056), (44, 457994), (62, 325028), (83, 242792), (88, 228997), (89, 226424), (124, 162514), (166, 121396), (178, 113212), (248, 81257), (332, 60698), (341, 59096), (356, 56606), (664, 30349), (682, 29548), (712, 28303), (913, 22072), (979, 20584), (1364, 14774), (1826, 11036), (1958, 10292), (2573, 7832), (2728, 7387), (2759, 7304), (3652, 5518), (3916, 5146)]