20123986158

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{71837}}^1$

素因数の和:72121

約数の個数: 48

約数和(自身を含む): 44378642880

約数和(自身を除く): 24254656722

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 197, 237, 394, 474, 591, 711, 1182, 1422, 1773, 3546, 15563, 31126, 46689, 71837, 93378, 140067, 143674, 215511, 280134, 431022, 646533, 1293066, 5675123, 11350246, 14151889, 17025369, 28303778, 34050738, 42455667, 51076107, 84911334, 102152214, 127367001, 254734002, 1117999231, 2235998462, 3353997693, 6707995386, 10061993079, 20123986158]

約数ペア:

[(1, 20123986158), (2, 10061993079), (3, 6707995386), (6, 3353997693), (9, 2235998462), (18, 1117999231), (79, 254734002), (158, 127367001), (197, 102152214), (237, 84911334), (394, 51076107), (474, 42455667), (591, 34050738), (711, 28303778), (1182, 17025369), (1422, 14151889), (1773, 11350246), (3546, 5675123), (15563, 1293066), (31126, 646533), (46689, 431022), (71837, 280134), (93378, 215511), (140067, 143674)]