20071908978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 46687104000

約数和(自身を除く): 26615195022

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 157, 209, 269, 314, 379, 418, 471, 538, 627, 758, 807, 942, 1137, 1254, 1614, 1727, 2274, 2959, 2983, 3454, 4169, 5111, 5181, 5918, 5966, 7201, 8338, 8877, 8949, 10222, 10362, 12507, 14402, 15333, 17754, 17898, 21603, 25014, 30666, 32813, 42233, 43206, 56221, 59503, 65626, 79211, 84466, 98439, 101951, 112442, 119006, 126699, 158422, 168663, 178509, 196878, 203902, 237633, 253398, 305853, 337326, 357018, 464563, 475266, 611706, 654533, 802427, 929126, 1121461, 1130557, 1309066, 1393689, 1604854, 1937069, 1963599, 2242922, 2261114, 2407281, 2787378, 3364383, 3391671, 3874138, 3927198, 4814562, 5811207, 6728766, 6783342, 8826697, 11622414, 12436127, 16006307, 17653394, 21307759, 24872254, 26480091, 32012614, 37308381, 42615518, 48018921, 52960182, 63923277, 74616762, 96037842, 127846554, 176069377, 304119833, 352138754, 528208131, 608239666, 912359499, 1056416262, 1824718998, 3345318163, 6690636326, 10035954489, 20071908978]

約数ペア:

[(1, 20071908978), (2, 10035954489), (3, 6690636326), (6, 3345318163), (11, 1824718998), (19, 1056416262), (22, 912359499), (33, 608239666), (38, 528208131), (57, 352138754), (66, 304119833), (114, 176069377), (157, 127846554), (209, 96037842), (269, 74616762), (314, 63923277), (379, 52960182), (418, 48018921), (471, 42615518), (538, 37308381), (627, 32012614), (758, 26480091), (807, 24872254), (942, 21307759), (1137, 17653394), (1254, 16006307), (1614, 12436127), (1727, 11622414), (2274, 8826697), (2959, 6783342), (2983, 6728766), (3454, 5811207), (4169, 4814562), (5111, 3927198), (5181, 3874138), (5918, 3391671), (5966, 3364383), (7201, 2787378), (8338, 2407281), (8877, 2261114), (8949, 2242922), (10222, 1963599), (10362, 1937069), (12507, 1604854), (14402, 1393689), (15333, 1309066), (17754, 1130557), (17898, 1121461), (21603, 929126), (25014, 802427), (30666, 654533), (32813, 611706), (42233, 475266), (43206, 464563), (56221, 357018), (59503, 337326), (65626, 305853), (79211, 253398), (84466, 237633), (98439, 203902), (101951, 196878), (112442, 178509), (119006, 168663), (126699, 158422)]