20187258063

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{22751}}^1$

素因数の和:22868

約数の個数: 64

約数和(自身を含む): 33549189120

約数和(自身を除く): 13361931057

約数列:

[1, 3, 7, 21, 29, 31, 47, 87, 93, 141, 203, 217, 329, 609, 651, 899, 987, 1363, 1457, 2697, 4089, 4371, 6293, 9541, 10199, 18879, 22751, 28623, 30597, 42253, 68253, 126759, 159257, 295771, 477771, 659779, 705281, 887313, 1069297, 1979337, 2115843, 3207891, 4618453, 4936967, 7485079, 13855359, 14810901, 20453149, 22455237, 31009613, 33148207, 61359447, 93028839, 99444621, 143172043, 217067291, 232037449, 429516129, 651201873, 696112347, 961298003, 2883894009, 6729086021, 20187258063]

約数ペア:

[(1, 20187258063), (3, 6729086021), (7, 2883894009), (21, 961298003), (29, 696112347), (31, 651201873), (47, 429516129), (87, 232037449), (93, 217067291), (141, 143172043), (203, 99444621), (217, 93028839), (329, 61359447), (609, 33148207), (651, 31009613), (899, 22455237), (987, 20453149), (1363, 14810901), (1457, 13855359), (2697, 7485079), (4089, 4936967), (4371, 4618453), (6293, 3207891), (9541, 2115843), (10199, 1979337), (18879, 1069297), (22751, 887313), (28623, 705281), (30597, 659779), (42253, 477771), (68253, 295771), (126759, 159257)]