20407013802

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{947137}}^1$

素因数の和:947177

約数の個数: 80

約数和(自身を含む): 55009775040

約数和(自身を除く): 34602761238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1026, 1134, 1197, 1539, 2394, 3078, 3591, 7182, 10773, 21546, 947137, 1894274, 2841411, 5682822, 6629959, 8524233, 13259918, 17048466, 17995603, 19889877, 25572699, 35991206, 39779754, 51145398, 53986809, 59669631, 76718097, 107973618, 119339262, 125969221, 153436194, 161960427, 179008893, 251938442, 323920854, 358017786, 377907663, 485881281, 537026679, 755815326, 971762562, 1074053358, 1133722989, 1457643843, 2267445978, 2915287686, 3401168967, 6802337934, 10203506901, 20407013802]

約数ペア:

[(1, 20407013802), (2, 10203506901), (3, 6802337934), (6, 3401168967), (7, 2915287686), (9, 2267445978), (14, 1457643843), (18, 1133722989), (19, 1074053358), (21, 971762562), (27, 755815326), (38, 537026679), (42, 485881281), (54, 377907663), (57, 358017786), (63, 323920854), (81, 251938442), (114, 179008893), (126, 161960427), (133, 153436194), (162, 125969221), (171, 119339262), (189, 107973618), (266, 76718097), (342, 59669631), (378, 53986809), (399, 51145398), (513, 39779754), (567, 35991206), (798, 25572699), (1026, 19889877), (1134, 17995603), (1197, 17048466), (1539, 13259918), (2394, 8524233), (3078, 6629959), (3591, 5682822), (7182, 2841411), (10773, 1894274), (21546, 947137)]