20239768744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{42557}}^1$

素因数の和:42862

約数の個数: 64

約数和(自身を含む): 43434694800

約数和(自身を除く): 23194926056

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 269, 442, 538, 884, 1076, 1768, 2152, 3497, 4573, 6994, 9146, 13988, 18292, 27976, 36584, 42557, 59449, 85114, 118898, 170228, 237796, 340456, 475592, 553241, 723469, 1106482, 1446938, 2212964, 2893876, 4425928, 5787752, 9405097, 11447833, 18810194, 22895666, 37620388, 45791332, 75240776, 91582664, 148821829, 194613161, 297643658, 389226322, 595287316, 778452644, 1190574632, 1556905288, 2529971093, 5059942186, 10119884372, 20239768744]

約数ペア:

[(1, 20239768744), (2, 10119884372), (4, 5059942186), (8, 2529971093), (13, 1556905288), (17, 1190574632), (26, 778452644), (34, 595287316), (52, 389226322), (68, 297643658), (104, 194613161), (136, 148821829), (221, 91582664), (269, 75240776), (442, 45791332), (538, 37620388), (884, 22895666), (1076, 18810194), (1768, 11447833), (2152, 9405097), (3497, 5787752), (4573, 4425928), (6994, 2893876), (9146, 2212964), (13988, 1446938), (18292, 1106482), (27976, 723469), (36584, 553241), (42557, 475592), (59449, 340456), (85114, 237796), (118898, 170228)]