20115595552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 43002961344

約数和(自身を除く): 22887365792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 331, 347, 416, 421, 662, 694, 842, 1324, 1388, 1684, 2648, 2776, 3368, 4303, 4511, 5296, 5473, 5552, 6736, 8606, 9022, 10592, 10946, 11104, 13472, 17212, 18044, 21892, 34424, 36088, 43784, 68848, 72176, 87568, 114857, 137696, 139351, 144352, 146087, 175136, 229714, 278702, 292174, 459428, 557404, 584348, 918856, 1114808, 1168696, 1493141, 1811563, 1837712, 1899131, 2229616, 2337392, 2986282, 3623126, 3675424, 3798262, 4459232, 4674784, 5972564, 7246252, 7596524, 11945128, 14492504, 15193048, 23890256, 28985008, 30386096, 47780512, 48354797, 57970016, 60772192, 96709594, 193419188, 386838376, 628612361, 773676752, 1257224722, 1547353504, 2514449444, 5028898888, 10057797776, 20115595552]

約数ペア:

[(1, 20115595552), (2, 10057797776), (4, 5028898888), (8, 2514449444), (13, 1547353504), (16, 1257224722), (26, 773676752), (32, 628612361), (52, 386838376), (104, 193419188), (208, 96709594), (331, 60772192), (347, 57970016), (416, 48354797), (421, 47780512), (662, 30386096), (694, 28985008), (842, 23890256), (1324, 15193048), (1388, 14492504), (1684, 11945128), (2648, 7596524), (2776, 7246252), (3368, 5972564), (4303, 4674784), (4511, 4459232), (5296, 3798262), (5473, 3675424), (5552, 3623126), (6736, 2986282), (8606, 2337392), (9022, 2229616), (10592, 1899131), (10946, 1837712), (11104, 1811563), (13472, 1493141), (17212, 1168696), (18044, 1114808), (21892, 918856), (34424, 584348), (36088, 557404), (43784, 459428), (68848, 292174), (72176, 278702), (87568, 229714), (114857, 175136), (137696, 146087), (139351, 144352)]