20153726404

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{19531}}^1$

素因数の和:19948

約数の個数: 48

約数和(自身を含む): 40754689920

約数和(自身を除く): 20600963516

約数列:

[1, 2, 4, 7, 14, 28, 137, 269, 274, 538, 548, 959, 1076, 1883, 1918, 3766, 3836, 7532, 19531, 36853, 39062, 73706, 78124, 136717, 147412, 257971, 273434, 515942, 546868, 1031884, 2675747, 5253839, 5351494, 10507678, 10702988, 18730229, 21015356, 36776873, 37460458, 73553746, 74920916, 147107492, 719775943, 1439551886, 2879103772, 5038431601, 10076863202, 20153726404]

約数ペア:

[(1, 20153726404), (2, 10076863202), (4, 5038431601), (7, 2879103772), (14, 1439551886), (28, 719775943), (137, 147107492), (269, 74920916), (274, 73553746), (538, 37460458), (548, 36776873), (959, 21015356), (1076, 18730229), (1883, 10702988), (1918, 10507678), (3766, 5351494), (3836, 5253839), (7532, 2675747), (19531, 1031884), (36853, 546868), (39062, 515942), (73706, 273434), (78124, 257971), (136717, 147412)]