20465856004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{25057}}^1$

素因数の和:26068

約数の個数: 48

約数和(自身を含む): 41171296320

約数和(自身を除く): 20705440316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 977, 1954, 3908, 10747, 18563, 21494, 25057, 37126, 42988, 50114, 74252, 100228, 204193, 275627, 408386, 476083, 551254, 816772, 952166, 1102508, 1904332, 5236913, 10473826, 20947652, 24480689, 48961378, 97922756, 269287579, 465133091, 538575158, 930266182, 1077150316, 1860532364, 5116464001, 10232928002, 20465856004]

約数ペア:

[(1, 20465856004), (2, 10232928002), (4, 5116464001), (11, 1860532364), (19, 1077150316), (22, 930266182), (38, 538575158), (44, 465133091), (76, 269287579), (209, 97922756), (418, 48961378), (836, 24480689), (977, 20947652), (1954, 10473826), (3908, 5236913), (10747, 1904332), (18563, 1102508), (21494, 952166), (25057, 816772), (37126, 551254), (42988, 476083), (50114, 408386), (74252, 275627), (100228, 204193)]