20129892146

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{12113}}^1$

素因数の和:12555

約数の個数: 64

約数和(自身を含む): 38879543808

約数和(自身を除く): 18749651662

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 397, 598, 794, 2093, 2779, 4186, 5161, 5558, 9131, 10322, 12113, 18262, 24226, 36127, 63917, 72254, 84791, 118703, 127834, 157469, 169582, 237406, 278599, 314938, 557198, 830921, 1102283, 1661842, 1950193, 2204566, 3621787, 3900386, 4808861, 7243574, 9617722, 25352509, 33662027, 50705018, 62515193, 67324054, 110603803, 125030386, 221207606, 437606351, 774226621, 875212702, 1437849439, 1548453242, 2875698878, 10064946073, 20129892146]

約数ペア:

[(1, 20129892146), (2, 10064946073), (7, 2875698878), (13, 1548453242), (14, 1437849439), (23, 875212702), (26, 774226621), (46, 437606351), (91, 221207606), (161, 125030386), (182, 110603803), (299, 67324054), (322, 62515193), (397, 50705018), (598, 33662027), (794, 25352509), (2093, 9617722), (2779, 7243574), (4186, 4808861), (5161, 3900386), (5558, 3621787), (9131, 2204566), (10322, 1950193), (12113, 1661842), (18262, 1102283), (24226, 830921), (36127, 557198), (63917, 314938), (72254, 278599), (84791, 237406), (118703, 169582), (127834, 157469)]