20218162545

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14951}}^1$

素因数の和:15034

約数の個数: 112

約数和(自身を含む): 42359853312

約数和(自身を除く): 22141690767

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 81, 105, 135, 159, 189, 243, 265, 315, 371, 405, 477, 567, 729, 795, 945, 1113, 1215, 1431, 1701, 1855, 2385, 2835, 3339, 3645, 4293, 5103, 5565, 7155, 8505, 10017, 12879, 14951, 16695, 21465, 25515, 30051, 38637, 44853, 50085, 64395, 74755, 90153, 104657, 134559, 150255, 193185, 224265, 270459, 313971, 403677, 450765, 523285, 672795, 792403, 941913, 1211031, 1352295, 1569855, 2018385, 2377209, 2825739, 3633093, 3962015, 4709565, 5546821, 6055155, 7131627, 8477217, 10899279, 11886045, 14128695, 16640463, 18165465, 21394881, 25431651, 27734105, 35658135, 42386085, 49921389, 54496395, 64184643, 76294953, 83202315, 106974405, 127158255, 149764167, 192553929, 249606945, 320923215, 381474765, 449292501, 577661787, 748820835, 962769645, 1347877503, 2246462505, 2888308935, 4043632509, 6739387515, 20218162545]

約数ペア:

[(1, 20218162545), (3, 6739387515), (5, 4043632509), (7, 2888308935), (9, 2246462505), (15, 1347877503), (21, 962769645), (27, 748820835), (35, 577661787), (45, 449292501), (53, 381474765), (63, 320923215), (81, 249606945), (105, 192553929), (135, 149764167), (159, 127158255), (189, 106974405), (243, 83202315), (265, 76294953), (315, 64184643), (371, 54496395), (405, 49921389), (477, 42386085), (567, 35658135), (729, 27734105), (795, 25431651), (945, 21394881), (1113, 18165465), (1215, 16640463), (1431, 14128695), (1701, 11886045), (1855, 10899279), (2385, 8477217), (2835, 7131627), (3339, 6055155), (3645, 5546821), (4293, 4709565), (5103, 3962015), (5565, 3633093), (7155, 2825739), (8505, 2377209), (10017, 2018385), (12879, 1569855), (14951, 1352295), (16695, 1211031), (21465, 941913), (25515, 792403), (30051, 672795), (38637, 523285), (44853, 450765), (50085, 403677), (64395, 313971), (74755, 270459), (90153, 224265), (104657, 193185), (134559, 150255)]