20178247665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3631}}^1$

素因数の和:3743

約数の個数: 128

約数和(自身を含む): 38158663680

約数和(自身を除く): 17980416015

約数列:

[1, 3, 5, 15, 17, 19, 31, 37, 51, 57, 85, 93, 95, 111, 155, 185, 255, 285, 323, 465, 527, 555, 589, 629, 703, 969, 1147, 1581, 1615, 1767, 1887, 2109, 2635, 2945, 3145, 3441, 3515, 3631, 4845, 5735, 7905, 8835, 9435, 10013, 10545, 10893, 11951, 17205, 18155, 19499, 21793, 30039, 35853, 50065, 54465, 58497, 59755, 61727, 65379, 68989, 97495, 108965, 112561, 134347, 150195, 179265, 185181, 206967, 292485, 308635, 326895, 337683, 344945, 370481, 403041, 562805, 671735, 925905, 1034835, 1111443, 1172813, 1688415, 1852405, 1913537, 2015205, 2138659, 2283899, 2552593, 3518439, 4164757, 5557215, 5740611, 5864065, 6415977, 6851697, 7657779, 9567685, 10693295, 11419495, 12494271, 12762965, 17592195, 20823785, 28703055, 32079885, 34258485, 36357203, 38288895, 43394081, 62471355, 70800869, 79130383, 109071609, 130182243, 181786015, 212402607, 216970405, 237391149, 354004345, 395651915, 545358045, 650911215, 1062013035, 1186955745, 1345216511, 4035649533, 6726082555, 20178247665]

約数ペア:

[(1, 20178247665), (3, 6726082555), (5, 4035649533), (15, 1345216511), (17, 1186955745), (19, 1062013035), (31, 650911215), (37, 545358045), (51, 395651915), (57, 354004345), (85, 237391149), (93, 216970405), (95, 212402607), (111, 181786015), (155, 130182243), (185, 109071609), (255, 79130383), (285, 70800869), (323, 62471355), (465, 43394081), (527, 38288895), (555, 36357203), (589, 34258485), (629, 32079885), (703, 28703055), (969, 20823785), (1147, 17592195), (1581, 12762965), (1615, 12494271), (1767, 11419495), (1887, 10693295), (2109, 9567685), (2635, 7657779), (2945, 6851697), (3145, 6415977), (3441, 5864065), (3515, 5740611), (3631, 5557215), (4845, 4164757), (5735, 3518439), (7905, 2552593), (8835, 2283899), (9435, 2138659), (10013, 2015205), (10545, 1913537), (10893, 1852405), (11951, 1688415), (17205, 1172813), (18155, 1111443), (19499, 1034835), (21793, 925905), (30039, 671735), (35853, 562805), (50065, 403041), (54465, 370481), (58497, 344945), (59755, 337683), (61727, 326895), (65379, 308635), (68989, 292485), (97495, 206967), (108965, 185181), (112561, 179265), (134347, 150195)]