20319390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 66769920

約数和(自身を除く): 46450530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 135, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 455, 546, 585, 630, 702, 819, 827, 910, 945, 1170, 1365, 1638, 1654, 1755, 1890, 2457, 2481, 2730, 3510, 4095, 4135, 4914, 4962, 5789, 7443, 8190, 8270, 10751, 11578, 12285, 12405, 14886, 17367, 21502, 22329, 24570, 24810, 28945, 32253, 34734, 37215, 44658, 52101, 53755, 57890, 64506, 74430, 75257, 86835, 96759, 104202, 107510, 111645, 150514, 156303, 161265, 173670, 193518, 223290, 225771, 260505, 290277, 312606, 322530, 376285, 451542, 483795, 521010, 580554, 677313, 752570, 781515, 967590, 1128855, 1354626, 1451385, 1563030, 2031939, 2257710, 2902770, 3386565, 4063878, 6773130, 10159695, 20319390]

約数ペア:

[(1, 20319390), (2, 10159695), (3, 6773130), (5, 4063878), (6, 3386565), (7, 2902770), (9, 2257710), (10, 2031939), (13, 1563030), (14, 1451385), (15, 1354626), (18, 1128855), (21, 967590), (26, 781515), (27, 752570), (30, 677313), (35, 580554), (39, 521010), (42, 483795), (45, 451542), (54, 376285), (63, 322530), (65, 312606), (70, 290277), (78, 260505), (90, 225771), (91, 223290), (105, 193518), (117, 173670), (126, 161265), (130, 156303), (135, 150514), (182, 111645), (189, 107510), (195, 104202), (210, 96759), (234, 86835), (270, 75257), (273, 74430), (315, 64506), (351, 57890), (378, 53755), (390, 52101), (455, 44658), (546, 37215), (585, 34734), (630, 32253), (702, 28945), (819, 24810), (827, 24570), (910, 22329), (945, 21502), (1170, 17367), (1365, 14886), (1638, 12405), (1654, 12285), (1755, 11578), (1890, 10751), (2457, 8270), (2481, 8190), (2730, 7443), (3510, 5789), (4095, 4962), (4135, 4914)]