20921964912

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{907}}^1\times {\mathrm{8431}}^1$

素因数の和:9371

約数の個数: 120

約数和(自身を含む): 61709423360

約数和(自身を除く): 40787458448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 907, 912, 1368, 1814, 2721, 2736, 3628, 5442, 7256, 8163, 8431, 10884, 14512, 16326, 16862, 17233, 21768, 25293, 32652, 33724, 34466, 43536, 50586, 51699, 65304, 67448, 68932, 75879, 101172, 103398, 130608, 134896, 137864, 151758, 155097, 160189, 202344, 206796, 275728, 303516, 310194, 320378, 404688, 413592, 480567, 607032, 620388, 640756, 827184, 961134, 1214064, 1240776, 1281512, 1441701, 1922268, 2481552, 2563024, 2883402, 3844536, 5766804, 7646917, 7689072, 11533608, 15293834, 22940751, 23067216, 30587668, 45881502, 61175336, 68822253, 91763004, 122350672, 137644506, 145291423, 183526008, 275289012, 290582846, 367052016, 435874269, 550578024, 581165692, 871748538, 1101156048, 1162331384, 1307622807, 1743497076, 2324662768, 2615245614, 3486994152, 5230491228, 6973988304, 10460982456, 20921964912]

約数ペア:

[(1, 20921964912), (2, 10460982456), (3, 6973988304), (4, 5230491228), (6, 3486994152), (8, 2615245614), (9, 2324662768), (12, 1743497076), (16, 1307622807), (18, 1162331384), (19, 1101156048), (24, 871748538), (36, 581165692), (38, 550578024), (48, 435874269), (57, 367052016), (72, 290582846), (76, 275289012), (114, 183526008), (144, 145291423), (152, 137644506), (171, 122350672), (228, 91763004), (304, 68822253), (342, 61175336), (456, 45881502), (684, 30587668), (907, 23067216), (912, 22940751), (1368, 15293834), (1814, 11533608), (2721, 7689072), (2736, 7646917), (3628, 5766804), (5442, 3844536), (7256, 2883402), (8163, 2563024), (8431, 2481552), (10884, 1922268), (14512, 1441701), (16326, 1281512), (16862, 1240776), (17233, 1214064), (21768, 961134), (25293, 827184), (32652, 640756), (33724, 620388), (34466, 607032), (43536, 480567), (50586, 413592), (51699, 404688), (65304, 320378), (67448, 310194), (68932, 303516), (75879, 275728), (101172, 206796), (103398, 202344), (130608, 160189), (134896, 155097), (137864, 151758)]