20324772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 55908216

約数和(自身を除く): 35583444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 137, 156, 234, 274, 317, 411, 468, 548, 634, 822, 951, 1233, 1268, 1644, 1781, 1902, 2466, 2853, 3562, 3804, 4121, 4932, 5343, 5706, 7124, 8242, 10686, 11412, 12363, 16029, 16484, 21372, 24726, 32058, 37089, 43429, 49452, 64116, 74178, 86858, 130287, 148356, 173716, 260574, 390861, 521148, 564577, 781722, 1129154, 1563444, 1693731, 2258308, 3387462, 5081193, 6774924, 10162386, 20324772]

約数ペア:

[(1, 20324772), (2, 10162386), (3, 6774924), (4, 5081193), (6, 3387462), (9, 2258308), (12, 1693731), (13, 1563444), (18, 1129154), (26, 781722), (36, 564577), (39, 521148), (52, 390861), (78, 260574), (117, 173716), (137, 148356), (156, 130287), (234, 86858), (274, 74178), (317, 64116), (411, 49452), (468, 43429), (548, 37089), (634, 32058), (822, 24726), (951, 21372), (1233, 16484), (1268, 16029), (1644, 12363), (1781, 11412), (1902, 10686), (2466, 8242), (2853, 7124), (3562, 5706), (3804, 5343), (4121, 4932)]