20176149520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{53017}}^1$

素因数の和:53168

約数の個数: 80

約数和(自身を含む): 48281159808

約数和(自身を除く): 28105010288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 71, 80, 134, 142, 268, 284, 335, 355, 536, 568, 670, 710, 1072, 1136, 1340, 1420, 2680, 2840, 4757, 5360, 5680, 9514, 19028, 23785, 38056, 47570, 53017, 76112, 95140, 106034, 190280, 212068, 265085, 380560, 424136, 530170, 848272, 1060340, 2120680, 3552139, 3764207, 4241360, 7104278, 7528414, 14208556, 15056828, 17760695, 18821035, 28417112, 30113656, 35521390, 37642070, 56834224, 60227312, 71042780, 75284140, 142085560, 150568280, 252201869, 284171120, 301136560, 504403738, 1008807476, 1261009345, 2017614952, 2522018690, 4035229904, 5044037380, 10088074760, 20176149520]

約数ペア:

[(1, 20176149520), (2, 10088074760), (4, 5044037380), (5, 4035229904), (8, 2522018690), (10, 2017614952), (16, 1261009345), (20, 1008807476), (40, 504403738), (67, 301136560), (71, 284171120), (80, 252201869), (134, 150568280), (142, 142085560), (268, 75284140), (284, 71042780), (335, 60227312), (355, 56834224), (536, 37642070), (568, 35521390), (670, 30113656), (710, 28417112), (1072, 18821035), (1136, 17760695), (1340, 15056828), (1420, 14208556), (2680, 7528414), (2840, 7104278), (4757, 4241360), (5360, 3764207), (5680, 3552139), (9514, 2120680), (19028, 1060340), (23785, 848272), (38056, 530170), (47570, 424136), (53017, 380560), (76112, 265085), (95140, 212068), (106034, 190280)]