20161938348

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{45053}}^1$

素因数の和:45495

約数の個数: 72

約数和(自身を含む): 52741293696

約数和(自身を除く): 32579355348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 401, 558, 802, 1116, 1203, 1604, 2406, 3609, 4812, 7218, 12431, 14436, 24862, 37293, 45053, 49724, 74586, 90106, 111879, 135159, 149172, 180212, 223758, 270318, 405477, 447516, 540636, 810954, 1396643, 1621908, 2793286, 4189929, 5586572, 8379858, 12569787, 16759716, 18066253, 25139574, 36132506, 50279148, 54198759, 72265012, 108397518, 162596277, 216795036, 325192554, 560053843, 650385108, 1120107686, 1680161529, 2240215372, 3360323058, 5040484587, 6720646116, 10080969174, 20161938348]

約数ペア:

[(1, 20161938348), (2, 10080969174), (3, 6720646116), (4, 5040484587), (6, 3360323058), (9, 2240215372), (12, 1680161529), (18, 1120107686), (31, 650385108), (36, 560053843), (62, 325192554), (93, 216795036), (124, 162596277), (186, 108397518), (279, 72265012), (372, 54198759), (401, 50279148), (558, 36132506), (802, 25139574), (1116, 18066253), (1203, 16759716), (1604, 12569787), (2406, 8379858), (3609, 5586572), (4812, 4189929), (7218, 2793286), (12431, 1621908), (14436, 1396643), (24862, 810954), (37293, 540636), (45053, 447516), (49724, 405477), (74586, 270318), (90106, 223758), (111879, 180212), (135159, 149172)]