20178453948

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1\times {\mathrm{941}}^1$

素因数の和:1707

約数の個数: 96

約数和(自身を含む): 50004675840

約数和(自身を除く): 29826221892

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 163, 228, 326, 489, 577, 652, 941, 978, 1154, 1731, 1882, 1956, 2308, 2823, 3097, 3462, 3764, 5646, 6194, 6924, 9291, 10963, 11292, 12388, 17879, 18582, 21926, 32889, 35758, 37164, 43852, 53637, 65778, 71516, 94051, 107274, 131556, 153383, 188102, 214548, 282153, 306766, 376204, 460149, 542957, 564306, 613532, 920298, 1085914, 1128612, 1628871, 1786969, 1840596, 2171828, 2914277, 3257742, 3573938, 5360907, 5828554, 6515484, 7147876, 8742831, 10316183, 10721814, 11657108, 17485662, 20632366, 21443628, 30948549, 34971324, 41264732, 61897098, 88501991, 123794196, 177003982, 265505973, 354007964, 531011946, 1062023892, 1681537829, 3363075658, 5044613487, 6726151316, 10089226974, 20178453948]

約数ペア:

[(1, 20178453948), (2, 10089226974), (3, 6726151316), (4, 5044613487), (6, 3363075658), (12, 1681537829), (19, 1062023892), (38, 531011946), (57, 354007964), (76, 265505973), (114, 177003982), (163, 123794196), (228, 88501991), (326, 61897098), (489, 41264732), (577, 34971324), (652, 30948549), (941, 21443628), (978, 20632366), (1154, 17485662), (1731, 11657108), (1882, 10721814), (1956, 10316183), (2308, 8742831), (2823, 7147876), (3097, 6515484), (3462, 5828554), (3764, 5360907), (5646, 3573938), (6194, 3257742), (6924, 2914277), (9291, 2171828), (10963, 1840596), (11292, 1786969), (12388, 1628871), (17879, 1128612), (18582, 1085914), (21926, 920298), (32889, 613532), (35758, 564306), (37164, 542957), (43852, 460149), (53637, 376204), (65778, 306766), (71516, 282153), (94051, 214548), (107274, 188102), (131556, 153383)]