20851262068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1\times {\mathrm{27527}}^1$

素因数の和:29632

約数の個数: 48

約数和(自身を含む): 44933624064

約数和(自身を除く): 24082361996

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2081, 4162, 8324, 14567, 27053, 27527, 29134, 54106, 55054, 58268, 108212, 110108, 189371, 192689, 357851, 378742, 385378, 715702, 757484, 770756, 1431404, 2504957, 5009914, 10019828, 57283687, 114567374, 229134748, 400985809, 744687931, 801971618, 1489375862, 1603943236, 2978751724, 5212815517, 10425631034, 20851262068]

約数ペア:

[(1, 20851262068), (2, 10425631034), (4, 5212815517), (7, 2978751724), (13, 1603943236), (14, 1489375862), (26, 801971618), (28, 744687931), (52, 400985809), (91, 229134748), (182, 114567374), (364, 57283687), (2081, 10019828), (4162, 5009914), (8324, 2504957), (14567, 1431404), (27053, 770756), (27527, 757484), (29134, 715702), (54106, 385378), (55054, 378742), (58268, 357851), (108212, 192689), (110108, 189371)]