20512073490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5023}}^1\times {\mathrm{4391}}^1$

素因数の和:9455

約数の個数: 64

約数和(自身を含む): 50838700032

約数和(自身を除く): 30326626542

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 4391, 5023, 8782, 10046, 13173, 15069, 21955, 25115, 26346, 30138, 43910, 50230, 65865, 75345, 131730, 136121, 150690, 155713, 272242, 311426, 408363, 467139, 680605, 778565, 816726, 934278, 1361210, 1557130, 2041815, 2335695, 4083630, 4671390, 22055993, 44111986, 66167979, 110279965, 132335958, 220559930, 330839895, 661679790, 683735783, 1367471566, 2051207349, 3418678915, 4102414698, 6837357830, 10256036745, 20512073490]

約数ペア:

[(1, 20512073490), (2, 10256036745), (3, 6837357830), (5, 4102414698), (6, 3418678915), (10, 2051207349), (15, 1367471566), (30, 683735783), (31, 661679790), (62, 330839895), (93, 220559930), (155, 132335958), (186, 110279965), (310, 66167979), (465, 44111986), (930, 22055993), (4391, 4671390), (5023, 4083630), (8782, 2335695), (10046, 2041815), (13173, 1557130), (15069, 1361210), (21955, 934278), (25115, 816726), (26346, 778565), (30138, 680605), (43910, 467139), (50230, 408363), (65865, 311426), (75345, 272242), (131730, 155713), (136121, 150690)]