20194005728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{915911}}^1$

素因数の和:915987

約数の個数: 48

約数和(自身を含む): 43623056736

約数和(自身を除く): 23429051008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 1378, 1696, 2756, 5512, 11024, 22048, 915911, 1831822, 3663644, 7327288, 11906843, 14654576, 23813686, 29309152, 47627372, 48543283, 95254744, 97086566, 190509488, 194173132, 381018976, 388346264, 631062679, 776692528, 1262125358, 1553385056, 2524250716, 5048501432, 10097002864, 20194005728]

約数ペア:

[(1, 20194005728), (2, 10097002864), (4, 5048501432), (8, 2524250716), (13, 1553385056), (16, 1262125358), (26, 776692528), (32, 631062679), (52, 388346264), (53, 381018976), (104, 194173132), (106, 190509488), (208, 97086566), (212, 95254744), (416, 48543283), (424, 47627372), (689, 29309152), (848, 23813686), (1378, 14654576), (1696, 11906843), (2756, 7327288), (5512, 3663644), (11024, 1831822), (22048, 915911)]