20123261756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{44111}}^1$

素因数の和:44442

約数の個数: 48

約数和(自身を含む): 39287205888

約数和(自身を除く): 19163944132

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 283, 403, 566, 806, 1132, 1612, 3679, 7358, 8773, 14716, 17546, 35092, 44111, 88222, 114049, 176444, 228098, 456196, 573443, 1146886, 1367441, 2293772, 2734882, 5469764, 12483413, 17776733, 24966826, 35553466, 49933652, 71106932, 162284369, 324568738, 386985803, 649137476, 773971606, 1547943212, 5030815439, 10061630878, 20123261756]

約数ペア:

[(1, 20123261756), (2, 10061630878), (4, 5030815439), (13, 1547943212), (26, 773971606), (31, 649137476), (52, 386985803), (62, 324568738), (124, 162284369), (283, 71106932), (403, 49933652), (566, 35553466), (806, 24966826), (1132, 17776733), (1612, 12483413), (3679, 5469764), (7358, 2734882), (8773, 2293772), (14716, 1367441), (17546, 1146886), (35092, 573443), (44111, 456196), (88222, 228098), (114049, 176444)]