20785318128

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{69697}}^1$

素因数の和:69839

約数の個数: 120

約数和(自身を含む): 61794246800

約数和(自身を除く): 41008928672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 109, 114, 144, 152, 171, 218, 228, 304, 327, 342, 436, 456, 654, 684, 872, 912, 981, 1308, 1368, 1744, 1962, 2071, 2616, 2736, 3924, 4142, 5232, 6213, 7848, 8284, 12426, 15696, 16568, 18639, 24852, 33136, 37278, 49704, 69697, 74556, 99408, 139394, 149112, 209091, 278788, 298224, 418182, 557576, 627273, 836364, 1115152, 1254546, 1324243, 1672728, 2509092, 2648486, 3345456, 3972729, 5018184, 5296972, 7596973, 7945458, 10036368, 10593944, 11918187, 15193946, 15890916, 21187888, 22790919, 23836374, 30387892, 31781832, 45581838, 47672748, 60775784, 63563664, 68372757, 91163676, 95345496, 121551568, 136745514, 144342487, 182327352, 190690992, 273491028, 288684974, 364654704, 433027461, 546982056, 577369948, 866054922, 1093964112, 1154739896, 1299082383, 1732109844, 2309479792, 2598164766, 3464219688, 5196329532, 6928439376, 10392659064, 20785318128]

約数ペア:

[(1, 20785318128), (2, 10392659064), (3, 6928439376), (4, 5196329532), (6, 3464219688), (8, 2598164766), (9, 2309479792), (12, 1732109844), (16, 1299082383), (18, 1154739896), (19, 1093964112), (24, 866054922), (36, 577369948), (38, 546982056), (48, 433027461), (57, 364654704), (72, 288684974), (76, 273491028), (109, 190690992), (114, 182327352), (144, 144342487), (152, 136745514), (171, 121551568), (218, 95345496), (228, 91163676), (304, 68372757), (327, 63563664), (342, 60775784), (436, 47672748), (456, 45581838), (654, 31781832), (684, 30387892), (872, 23836374), (912, 22790919), (981, 21187888), (1308, 15890916), (1368, 15193946), (1744, 11918187), (1962, 10593944), (2071, 10036368), (2616, 7945458), (2736, 7596973), (3924, 5296972), (4142, 5018184), (5232, 3972729), (6213, 3345456), (7848, 2648486), (8284, 2509092), (12426, 1672728), (15696, 1324243), (16568, 1254546), (18639, 1115152), (24852, 836364), (33136, 627273), (37278, 557576), (49704, 418182), (69697, 298224), (74556, 278788), (99408, 209091), (139394, 149112)]