20120221176

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{964721}}^1$

素因数の和:964820

約数の個数: 64

約数和(自身を含む): 55567987200

約数和(自身を除く): 35447766024

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 79, 88, 132, 158, 237, 264, 316, 474, 632, 869, 948, 1738, 1896, 2607, 3476, 5214, 6952, 10428, 20856, 964721, 1929442, 2894163, 3858884, 5788326, 7717768, 10611931, 11576652, 21223862, 23153304, 31835793, 42447724, 63671586, 76212959, 84895448, 127343172, 152425918, 228638877, 254686344, 304851836, 457277754, 609703672, 838342549, 914555508, 1676685098, 1829111016, 2515027647, 3353370196, 5030055294, 6706740392, 10060110588, 20120221176]

約数ペア:

[(1, 20120221176), (2, 10060110588), (3, 6706740392), (4, 5030055294), (6, 3353370196), (8, 2515027647), (11, 1829111016), (12, 1676685098), (22, 914555508), (24, 838342549), (33, 609703672), (44, 457277754), (66, 304851836), (79, 254686344), (88, 228638877), (132, 152425918), (158, 127343172), (237, 84895448), (264, 76212959), (316, 63671586), (474, 42447724), (632, 31835793), (869, 23153304), (948, 21223862), (1738, 11576652), (1896, 10611931), (2607, 7717768), (3476, 5788326), (5214, 3858884), (6952, 2894163), (10428, 1929442), (20856, 964721)]