20520456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4130

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 38404344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 209, 228, 264, 418, 456, 627, 836, 1254, 1672, 2508, 4091, 5016, 8182, 12273, 16364, 24546, 32728, 45001, 49092, 77729, 90002, 98184, 135003, 155458, 180004, 233187, 270006, 310916, 360008, 466374, 540012, 621832, 855019, 932748, 1080024, 1710038, 1865496, 2565057, 3420076, 5130114, 6840152, 10260228, 20520456]

約数ペア:

[(1, 20520456), (2, 10260228), (3, 6840152), (4, 5130114), (6, 3420076), (8, 2565057), (11, 1865496), (12, 1710038), (19, 1080024), (22, 932748), (24, 855019), (33, 621832), (38, 540012), (44, 466374), (57, 360008), (66, 310916), (76, 270006), (88, 233187), (114, 180004), (132, 155458), (152, 135003), (209, 98184), (228, 90002), (264, 77729), (418, 49092), (456, 45001), (627, 32728), (836, 24546), (1254, 16364), (1672, 12273), (2508, 8182), (4091, 5016)]