20052780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1367

約数の個数: 96

約数和(自身を含む): 63963648

約数和(自身を除く): 43910868

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 132, 138, 165, 220, 230, 253, 276, 330, 345, 460, 506, 660, 690, 759, 1012, 1265, 1321, 1380, 1518, 2530, 2642, 3036, 3795, 3963, 5060, 5284, 6605, 7590, 7926, 13210, 14531, 15180, 15852, 19815, 26420, 29062, 30383, 39630, 43593, 58124, 60766, 72655, 79260, 87186, 91149, 121532, 145310, 151915, 174372, 182298, 217965, 290620, 303830, 334213, 364596, 435930, 455745, 607660, 668426, 871860, 911490, 1002639, 1336852, 1671065, 1822980, 2005278, 3342130, 4010556, 5013195, 6684260, 10026390, 20052780]

約数ペア:

[(1, 20052780), (2, 10026390), (3, 6684260), (4, 5013195), (5, 4010556), (6, 3342130), (10, 2005278), (11, 1822980), (12, 1671065), (15, 1336852), (20, 1002639), (22, 911490), (23, 871860), (30, 668426), (33, 607660), (44, 455745), (46, 435930), (55, 364596), (60, 334213), (66, 303830), (69, 290620), (92, 217965), (110, 182298), (115, 174372), (132, 151915), (138, 145310), (165, 121532), (220, 91149), (230, 87186), (253, 79260), (276, 72655), (330, 60766), (345, 58124), (460, 43593), (506, 39630), (660, 30383), (690, 29062), (759, 26420), (1012, 19815), (1265, 15852), (1321, 15180), (1380, 14531), (1518, 13210), (2530, 7926), (2642, 7590), (3036, 6605), (3795, 5284), (3963, 5060)]