20123686048

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{28151}}^1$

素因数の和:28501

約数の個数: 48

約数和(自身を含む): 40224703680

約数和(自身を除く): 20101017632

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 251, 356, 502, 712, 1004, 1424, 2008, 2848, 4016, 8032, 22339, 28151, 44678, 56302, 89356, 112604, 178712, 225208, 357424, 450416, 714848, 900832, 2505439, 5010878, 7065901, 10021756, 14131802, 20043512, 28263604, 40087024, 56527208, 80174048, 113054416, 226108832, 628865189, 1257730378, 2515460756, 5030921512, 10061843024, 20123686048]

約数ペア:

[(1, 20123686048), (2, 10061843024), (4, 5030921512), (8, 2515460756), (16, 1257730378), (32, 628865189), (89, 226108832), (178, 113054416), (251, 80174048), (356, 56527208), (502, 40087024), (712, 28263604), (1004, 20043512), (1424, 14131802), (2008, 10021756), (2848, 7065901), (4016, 5010878), (8032, 2505439), (22339, 900832), (28151, 714848), (44678, 450416), (56302, 357424), (89356, 225208), (112604, 178712)]