20527469380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1\times {\mathrm{2039}}^1$

素因数の和:2809

約数の個数: 96

約数和(自身を含む): 47821777920

約数和(自身を除く): 27294308540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 683, 737, 1340, 1366, 1474, 2039, 2732, 2948, 3415, 3685, 4078, 6830, 7370, 7513, 8156, 10195, 13660, 14740, 15026, 20390, 22429, 30052, 37565, 40780, 44858, 45761, 75130, 89716, 91522, 112145, 136613, 150260, 183044, 224290, 228805, 273226, 448580, 457610, 503371, 546452, 683065, 915220, 1006742, 1366130, 1392637, 1502743, 2013484, 2516855, 2732260, 2785274, 3005486, 5033710, 5570548, 6010972, 6963185, 7513715, 10067420, 13926370, 15027430, 15319007, 27852740, 30054860, 30638014, 61276028, 76595035, 93306679, 153190070, 186613358, 306380140, 373226716, 466533395, 933066790, 1026373469, 1866133580, 2052746938, 4105493876, 5131867345, 10263734690, 20527469380]

約数ペア:

[(1, 20527469380), (2, 10263734690), (4, 5131867345), (5, 4105493876), (10, 2052746938), (11, 1866133580), (20, 1026373469), (22, 933066790), (44, 466533395), (55, 373226716), (67, 306380140), (110, 186613358), (134, 153190070), (220, 93306679), (268, 76595035), (335, 61276028), (670, 30638014), (683, 30054860), (737, 27852740), (1340, 15319007), (1366, 15027430), (1474, 13926370), (2039, 10067420), (2732, 7513715), (2948, 6963185), (3415, 6010972), (3685, 5570548), (4078, 5033710), (6830, 3005486), (7370, 2785274), (7513, 2732260), (8156, 2516855), (10195, 2013484), (13660, 1502743), (14740, 1392637), (15026, 1366130), (20390, 1006742), (22429, 915220), (30052, 683065), (37565, 546452), (40780, 503371), (44858, 457610), (45761, 448580), (75130, 273226), (89716, 228805), (91522, 224290), (112145, 183044), (136613, 150260)]